User:NationalRegisterBot/AllNRHPPages/S
- S & S Sandwich Shop
- S & W Cafeteria (Asheville, North Carolina)
- S Bridge (Womelsdorf, Pennsylvania)
- S Bridge II
- S Bridge, National Road
- S. A. Hall House
- S. Alexander Hinckley House
- S. B. Barker Building
- S. B. Brodbeck Housing
- S. B. White House
- S. B. Withey House
- S. C. Dobson (log canoe)
- S. C. Mayer House
- S. Cornelia Young Memorial Library
- S. Curtis Smith House
- S. D. Newton House
- S. D. Warren Paper Mill
- S. E. Brackett House
- S. F. Vilas Home for Aged & Infirmed Ladies
- S. G. Atkins House
- S. Gourse & Sons Block
- S. H. Barnicoat Monuments
- S. H. Kress Building (Albuquerque, New Mexico)
- S. H. Kress and Co. Building (Blytheville, Arkansas)
- S. H. Kress and Co. Building (Columbia, Missouri)
- S. H. Kress and Co. Building (Columbia, South Carolina)
- S. H. Kress and Co. Building (Daytona Beach, Florida)
- S. H. Kress and Co. Building (Fort Worth, Texas)
- S. H. Kress and Co. Building (Houston)
- S. H. Kress and Co. Building (Lubbock, Texas)
- S. H. Kress and Co. Building (Portland, Oregon)
- S. H. Kress and Co. Building (Sarasota, Florida)
- S. H. Kress and Co. Building (St. Petersburg, Florida)
- S. H. Kress and Co. Building (Tampa, Florida)
- S. Hata Building
- S. Higgins Farm
- S. Holton Farm
- S. Howard Atha House
- S. J. Nissen Building
- S. M. McKibben House
- S. P. Dixon Farm
- S. Pressly Coker House
- S. R. Crown Hall
- S. R. Thompson House
- S. Stephen's Church (Providence, Rhode Island)
- S. T. Elliott House
- S. Walker's Hotel
- S. Weir Mitchell School
- S.A. Kimbrough House
- S.A. Lay House
- S.A. Pennington House
- S.A. Wilson Elementary School
- S.D. Merritt House
- S.F. Martin House
- S.G. Smith House
- S.H. Kress & Co. Building (Nogales, Arizona)
- S.J. Lesem Building
- S.J. Mickelsen Hardware Store and Lumber Yard
- S.P. Gebhart House
- S.S. Farwell House
- S.S. Peter & Paul Catholic School (Butte, Nebraska)
- S.S.S. Lotus
- S.T. Zimmerman House
- SAM Site
- SLW Ranch
- SMS Cormoran (1909)
- SMUD Headquarters Building
- SOWEGA Building
- SS Alcoa Puritan (1941)
- SS Aleutian
- SS Algoma
- SS America (1898)
- SS American Victory
- SS Appomattox
- SS Atlanta
- SS Australasia
- SS Badger
- SS Benjamin Noble
- SS Catalina
- SS Chester A. Congdon
- SS Choctaw
- SS City of Milwaukee
- SS City of Rio de Janeiro
- SS Columbia (1902 steamboat)
- SS Continental
- SS Copenhagen (1898)
- SS E.M. Clark
- SS Emperor
- SS Francis Hinton
- SS Frank O'Connor
- SS Glenlyon
- SS Grecian
- SS Harriet B.
- SS Hennepin
- SS Henry Chisholm
- SS Hesper
- SS Homer
- SS J.M. Allmendinger
- SS Jeremiah O'Brien
- SS John W. Brown
- SS Joys
- SS Kamloops
- SS Lakeland
- SS Lancing
- SS Lane Victory
- SS Louisiana
- SS Marquette (1881)
- SS Meteor (1896)
- SS Milwaukee (1902)
- SS Milwaukee Clipper
- SS Monarch
- SS Montebello
- SS Muskegon
- SS Norman
- SS Northwestern
- SS Onoko
- SS Pewabic
- SS R.G. Stewart
- SS Red Oak Victory
- SS Regina (1904)
- SS Robert E. Lee
- SS Robert Wallace
- SS S.C. Baldwin
- SS San Mateo
- SS Selah Chamberlain
- SS Selma (1919)
- SS Senator
- SS Tahoe
- SS Tarpon (1887)
- SS United States
- SS Valley Camp
- SS William A. Irvin
- SS William Lawrence Shipwreck Site
- SS Winfield Scott
- SS Wisconsin
- SS Yankee Blade
- SUNY Plaza
- Saban Theatre
- Sabana Grande Masonic Cemetery
- Sabbath Day House (Billerica, Massachusetts)
- Sabbathday House (Guilford, Connecticut)
- Sabbathday Lake Shaker Village
- Sabin S. Murdock House
- Sabine Hall (Warsaw, Virginia)
- Sabine Hill
- Sabine Pass Lighthouse
- Sabino (steamer)
- Sabin–Wheat Farm
- Sac City Chicago and North Western Depot
- Sac City Monument Square Historic District
- Sac County Courthouse
- Sacajawea Hotel
- Sacajawea State Park
- Sacandaga Railroad Station
- Sachem Rock Farm
- Sachs Covered Bridge
- Sackets Harbor Battlefield State Historic Site
- Sackets Harbor Village Historic District
- Sacketts Brook Stone Arch Bridge
- Saco Central Fire Station
- Saco City Hall
- Saco Historic District
- Saco Mercantile
- Saco–Lowell Shops Housing Historic District
- Saco–Pettee Machine Shops
- Sacramento City Library
- Sacramento Convention Center Complex
- Sacramento Historic City Cemetery
- Sacramento Masonic Temple
- Sacramento Valley Station
- Sacred Heart Academy (Cincinnati, Ohio)
- Sacred Heart Cathedral (Davenport, Iowa)
- Sacred Heart Cathedral (Dodge City, Kansas)
- Sacred Heart Cathedral, Sacred Heart School and Christian Brothers Home
- Sacred Heart Catholic Church (Alamosa, Colorado)
- Sacred Heart Catholic Church (Alturas, California)
- Sacred Heart Catholic Church (Dayton, Ohio)
- Sacred Heart Catholic Church (Fort Dodge, Iowa)
- Sacred Heart Catholic Church (Heron Lake, Minnesota)
- Sacred Heart Catholic Church (McCartyville, Ohio)
- Sacred Heart Catholic Church (Omaha, Nebraska)
- Sacred Heart Catholic Church (Pensacola, Florida)
- Sacred Heart Catholic Church and Parsonage (Rich Fountain, Missouri)
- Sacred Heart Catholic Church and Rectory (Prescott, Arizona)
- Sacred Heart Catholic Church and Rectory (Wilburton, Oklahoma)
- Sacred Heart Catholic Church and School
- Sacred Heart Cemetery, Wrought-Iron Cross Site
- Sacred Heart Church (Bellevue, Kentucky)
- Sacred Heart Church (Detroit)
- Sacred Heart Church (Eau Claire, Wisconsin)
- Sacred Heart Church (Glendive, Montana)
- Sacred Heart Church (Phoenix, Arizona)
- Sacred Heart Church (Tombstone, Arizona)
- Sacred Heart Church (Trenton, New Jersey)
- Sacred Heart Church Historic District (Southbridge, Massachusetts)
- Sacred Heart Church, Rectory, School and Convent (Cambridge, Massachusetts)
- Sacred Heart Church, School and Rectory
- Sacred Heart Church-Punahou
- Sacred Heart Cultural Center
- Sacred Heart Hospital (Le Mars, Iowa)
- Sacred Heart Major Seminary
- Sacred Heart Parish Complex
- Sacred Heart Public School
- Sacred Heart Roman Catholic Church (Port Gibson, Mississippi)
- Sacred Heart School (Dubuque, Iowa)
- Sacred Heart School (Fall River, Massachusetts)
- Sacred Heart of Jesus Church (Bethlehem, Ohio)
- Sacred Heart of Jesus Church (Lawrenceburg, Tennessee)
- Sacred Heart of Jesus Church (Loretto, Tennessee)
- Sacred Heart, Oklahoma
- Sacred Heart-Gros Cap Church
- Saddle Creek Underpass
- Saddle River Center Historic District
- Saddle Rock Grist Mill
- Saddle Store
- Saddleback Ledge Light
- Saddlebow Farm
- Saddlehorn Caretaker's House and Garage
- Saddlehorn Comfort Station
- Saddlehorn Utility Area Historic District
- Sadie Thompson Inn
- Sadler House (McCalla, Alabama)
- Saegmuller House
- Saenger Theatre (New Orleans)
- Saenger Theatre (Pensacola, Florida)
- Saenger Theatre (Pine Bluff, Arkansas)
- Safety Fund National Bank
- Safety Harbor site
- Safeway Stores Office and Warehouse Building
- Saffell Funeral Home
- Safferstone House
- Saffold Dam
- Safford High School (historic)
- Safford House
- Safonfok
- Sag Harbor Hills, Azurest, and Ninevah Beach Subdivisions Historic District
- Sag Harbor Village District
- Sagamore Hill
- Sagamore Mill No. 2
- Sagamore Mills No. 1 and No. 3
- Sagaponack Historic District
- Sage Creek Station Site
- Sage Library
- Sage Memorial Hospital School of Nursing
- Sage-Kirby House
- Sage-Robinson-Nagel House
- Sager House (Moravia, New York)
- Saginaw Armory
- Saginaw Central City Historic Residential District
- Saginaw City Historic Business District
- Saginaw County Fairgrounds Main Gate
- Saginaw News Building
- Saginaw River Rear Range Light
- Sagrada Familia de Lemitar Church, Los Dulces Nombres
- Sagtikos Manor
- Saguache Downtown Historic District
- Sague House
- Sahler Stone House
- Sahler Stone House and Dutch Barn
- Sahuaro Ranch
- Sail Loft (Tenants Harbor, Maine)
- Sailors' Snug Harbor
- Saint Agatha's Conservatory of Music and Arts
- Saint Agnes Episcopal Church
- Saint Andrew's Chapel
- Saint Andrew's Episcopal Church (Bryan, Texas)
- Saint Andrew's Episcopal Church (Mammoth Spring, Arkansas)
- Saint Andrew's Episcopal Church (Rochester, New York)
- Saint Andrew's Memorial Episcopal Church
- Saint Ann Roman Catholic Church and Rectory
- Saint Anne Historic District
- Saint Anne's Hill Historic District
- Saint Anthony Hall (Hartford, Connecticut)
- Saint Anthony Hospital (Milwaukee, Wisconsin)
- Saint Anthony's Catholic Church (Bryan, Texas)
- Saint Anthony's Catholic Church (Ratcliff, Arkansas)
- Saint Anthony's Church (Casa Grande, Arizona)
- Saint Anthony's Hospital (Morrilton, Arkansas)
- Saint Augustine Chapel and Cemetery
- Saint Augustine Church (New Diggings, Wisconsin)
- Saint Basil Academy (Garrison, New York)
- Saint Benedict Joseph Labre Church (Queens)
- Saint Benedict's Monastery (St. Joseph, Minnesota)
- Saint Bernard's Church Complex
- Saint Bernard's Seminary
- Saint Boniface Church (New Vienna, Iowa)
- Saint Camillus Academy
- Saint Clement's Church (Philadelphia)
- Saint Cloud and Red River Valley Stage Road–Kandota Section
- Saint Croix Island, Maine
- Saint Croix State Park
- Saint Edward Seminary
- Saint Edward's Chapel
- Saint Elizabeth's Church (Tecumseh, Michigan)
- Saint Elmo, Colorado
- Saint Francis De Sales Catholic Church (Cincinnati, Ohio)
- Saint Francis Xavier Roman Catholic Church (Mobile, Alabama)
- Saint Francis de Sales Seminary
- Saint Francis of Assisi Complex
- Saint Helena station
- Saint Henry's Evangelical Lutheran Church and Cemetery
- Saint Ignatius Church and Cemetery
- Saint Ignatius High School (Cleveland)
- Saint Ignatius Loyola Church
- Saint James Court
- Saint James Court Apartments
- Saint James District
- Saint James Second Street Baptist Church
- Saint James' Episcopal Church (Pewee Valley, Kentucky)
- Saint James' Episcopal Church (Sault Ste. Marie, Michigan)
- Saint John Evangelical Lutheran Church (New Fane, Wisconsin)
- Saint John the Evangelist Catholic Church (Logan, Ohio)
- Saint John's Abbey, Collegeville
- Saint John's Episcopal Church (Crawfordsville, Indiana)
- Saint John's Episcopal Church (Ocean Springs, Mississippi)
- Saint John's Evangelical Lutheran Church (Milwaukee, Wisconsin)
- Saint John's Lutheran Church (Adrian, Michigan)
- Saint John's Methodist Church
- Saint John's Methodist Episcopal Church (Kingman, Arizona)
- Saint Joseph Abbey (Louisiana)
- Saint Joseph Church and Shrine
- Saint Joseph College and Mother Seton Shrine
- Saint Joseph School (Wakefield, Massachusetts)
- Saint Joseph Seminary (Grand Rapids, Michigan)
- Saint Joseph of the Lake Church and Cemetery
- Saint Joseph's Academy (Saint Paul, Minnesota)
- Saint Joseph's Catholic Church (Glen Arbor, Michigan)
- Saint Joseph's Catholic Church (Macon, Georgia)
- Saint Joseph's Catholic Church (Somerset, Ohio)
- Saint Joseph's Home for Working Girls
- Saint Joseph's Roman Catholic Church (Massillon, Ohio)
- Saint Joseph's Roman Catholic Church (Mobile, Alabama)
- Saint Joseph's Roman Catholic College for Boys
- Saint Jude's Episcopal Church (Seal Harbor, Maine)
- Saint Leo Abbey
- Saint Leonard Catholic Church (Madison, Nebraska)
- Saint Louis Cemetery
- Saint Louis Downtown Historic District
- Saint Luke's Church Complex
- Saint Luke's Home for Destitute and Aged Women
- Saint Luke's Protestant Episcopal Church
- Saint Mark's Church (Jamesville, New York)
- Saint Mark's Episcopal Church (Chelsea, New York)
- Saint Mark's Episcopal Church (Raymond, Mississippi)
- Saint Mark's and Saint John's Episcopal Church
- Saint Martin's Catholic Church
- Saint Martin's Church, Providence
- Saint Mary Ranger Station
- Saint Mary Visitor Center, Entrance Station and Checking Stations
- Saint Mary of Good Counsel Catholic Church (Adrian, Michigan)
- Saint Mary of Mount Virgin Roman Catholic Church
- Saint Mary of the Assumption Church, Rectory, School and Convent
- Saint Mary's Catholic Cemetery
- Saint Mary's Catholic Church (Dubuque, Iowa)
- Saint Mary's Catholic Church (Kingman, Arizona)
- Saint Mary's Catholic Church (Victoria, Texas)
- Saint Mary's Catholic Church Complex
- Saint Mary's Chapel (Carle Place, New York)
- Saint Mary's Episcopal Church (Hillsboro, Ohio)
- Saint Mary's Parish (Red Bluff, California)
- Saint Mary's Regional Medical Center (Maine)
- Saint Mary's School (Chelsea, Michigan)
- Saint Mary's School (Raleigh, North Carolina)
- Saint Matthew Parish
- Saint Matthew's Catholic Church (Mobile, Alabama)
- Saint Matthew's School
- Saint Michael and All Angels Episcopal Church
- Saint Michaels Mill
- Saint Patrick's Roman Catholic Church (Independence, Oregon)
- Saint Paul African Union Methodist Church
- Saint Paul Catholic Church (Grosse Pointe Farms, Michigan)
- Saint Paul City Hall and Ramsey County Courthouse
- Saint Paul Lutheran and Roman Catholic Community of Faith
- Saint Paul Manor Apartments
- Saint Paul Municipal Grain Terminal
- Saint Paul Public Library
- Saint Paul Union Depot
- Saint Paul Women's City Club
- Saint Paul's Church (Augusta, Georgia)
- Saint Paul's Church (Pawtucket, Rhode Island)
- Saint Paul's Church (Petersburg, Virginia)
- Saint Paul's Church (Waterloo, New York)
- Saint Paul's Church National Historic Site
- Saint Paul's Church, Chapel, and Parish House
- Saint Paul's College (Virginia)
- Saint Paul's Episcopal Cathedral (Syracuse, New York)
- Saint Paul's Episcopal Chapel (Mobile, Alabama)
- Saint Paul's Episcopal Church (Columbus, Ohio)
- Saint Paul's Episcopal Church (Lee's Summit, Missouri)
- Saint Paul's Episcopal Church (Norfolk, Virginia)
- Saint Paul's Episcopal Church (Waxahachie, Texas)
- Saint Paul's Evangelical Lutheran Church (Fort Wayne, Indiana)
- Saint Paul's Methodist Episcopal Church (Anniston, Alabama)
- Saint Paul's Rectory
- Saint Paul's Vestry House
- Saint Paul, Minneapolis, & Manitoba Railway Company Shops Historic District
- Saint Peter the Apostle Church
- Saint Peter's Grotto
- Saint Peter's-By-The-Sea Episcopal Church (Cape May Point, New Jersey)
- Saint Peters, Pennsylvania
- Saint Rita Apartments
- Saint Sava Serbian Orthodox Church (Jackson, California)
- Saint Sava Serbian Orthodox Monastery and Seminary
- Saint Saviour's Episcopal Church and Rectory
- Saint Scholastica Convent
- Saint Stanislaus Roman Catholic Church Complex
- Saint Stephen's Episcopal Church (Forest, Virginia)
- Saint Thomas Aquinas Cathedral
- Saint Thomas Church (Manhattan)
- Saint Thomas Episcopal Church and Rectory
- Saint Thomas' Chapel (East Hampton, New York)
- Saint Thomas' Protestant Episcopal Church
- Saint Vincent Archabbey Gristmill
- Saint Vincent's College Building
- Saint Vincent's Infant Asylum
- Saint-Gaudens National Historical Park
- Sainte Marie Roman Catholic Church Parish Historic District
- Saints Cyril and Methodius Catholic Church and Rectory
- Saints Cyril and Methodius Slovak Roman Catholic School
- Saints Peter and Paul Academy
- Saints Peter and Paul Basilica
- Saints Peter and Paul Catholic Church (Pocahontas, Iowa)
- Saints Peter and Paul Catholic Church (Sandusky, Ohio)
- Saints Peter and Paul Catholic Church (Solon, Iowa)
- Saints Peter and Paul Catholic Church Complex (Bow Valley, Nebraska)
- Saints Peter and Paul Catholic Church Complex (Strasburg, North Dakota)
- Saints Peter and Paul Church (Chisholm, Minnesota)
- Saints Peter and Paul Church (Gilman, Minnesota)
- Saints Peter and Paul Church (New Hradec, North Dakota)
- Saints Peter and Paul Church (Petersburg, Iowa)
- Saints Peter and Paul Jesuit Church
- Saints Peter and Paul Roman Catholic Church Complex
- Saints Peter and Paul Roman Catholic Church Historic District
- Saints Philip and James Parochial School
- Saipan International Airport
- Saitta House
- Sakonnet Light
- Sala Apartment Building
- Salado College
- Salado United Methodist Church
- Saleaudo
- Salem Avenue–Roanoke Automotive Commercial Historic District
- Salem Baptist Church (Alton, Illinois)
- Salem Bear Creek Church, Salem Evangelical Lutheran Church
- Salem Black River Presbyterian Church
- Salem Camp Ground
- Salem Church (Sardis, Ohio)
- Salem Church (Tulare, South Dakota)
- Salem Church Parsonage
- Salem College Administration Building
- Salem Common Historic District (Salem, Massachusetts)
- Salem Common Historic District (Salem, New Hampshire)
- Salem County Insane Asylum
- Salem Cross Inn
- Salem Crossroads Historic District
- Salem Diner
- Salem Downtown Historic District (Salem, Indiana)
- Salem Downtown Historic District (Salem, Ohio)
- Salem Downtown State Street – Commercial Street Historic District
- Salem Evangelical Church (Milwaukee, Wisconsin)
- Salem Evangelical Church (Plain, Wisconsin)
- Salem Evangelical Lutheran Church
- Salem First United Methodist Church
- Salem Historic District (New York)
- Salem Historic District (Salem, Connecticut)
- Salem Historic District (Salem, West Virginia)
- Salem Laundry
- Salem Maritime National Historic Site
- Salem Methodist Church (Franklin, North Carolina)
- Salem Methodist Church (Huntsboro, North Carolina)
- Salem Methodist Church Complex (Cincinnati, Ohio)
- Salem Methodist Episcopal Church (Clinton, Indiana)
- Salem Methodist Episcopal Church and Parsonage (Newport, Kentucky)
- Salem Methodist Episcopal Church and Salem Walker Cemetery (Northville, Michigan)
- Salem Pioneer Cemetery
- Salem Post Office
- Salem Presbyterian Church (Salem, Virginia)
- Salem Presbyterian Church (Washington College, Tennessee)
- Salem Presbyterian Parsonage
- Salem School (Naugatuck, Connecticut)
- Salem School (Red Oak, Virginia)
- Salem Street Burying Ground
- Salem Street Historic District
- Salem Swedish Methodist Episcopal Church
- Salem Tavern
- Salem Town Hall
- Salem Township Bridge Number E-1
- Salem Union Church and Cemetery
- Salem United Church of Christ (Harrisburg, Pennsylvania)
- Salem Veterans Affairs Medical Center
- Salem Village Historic District
- Salem Welsh Church
- Salem Willows Historic District
- Salem station (Oregon)
- Salem's Baptist Church
- Salem's Historic Grand Theatre
- Salem–Auburn Streets Historic District
- Salerno Apartments
- Salina Municipal Building and Library
- Salina Presbyterian Church
- Salina School
- Salinas Pueblo Missions National Monument
- Saline Cemetery
- Saline County Bank
- Saline County Courthouse (Arkansas)
- Saline County Courthouse (Missouri)
- Saline County Courthouse (Nebraska)
- Saline County Poor Farm
- Saline First Presbyterian Church
- Saline Island (Kentucky)
- Saline Valley salt tram
- Saline station
- Salisbury Academy Building
- Salisbury Center Bridge
- Salisbury Center Grange Hall
- Salisbury Center Historic District
- Salisbury Congregational Church
- Salisbury Factory Building
- Salisbury Farm (Bridgeport, New Jersey)
- Salisbury Fish Hatchery
- Salisbury High School (North Carolina)
- Salisbury Historic District
- Salisbury House (Des Moines, Iowa)
- Salisbury House (Worcester, Massachusetts)
- Salisbury Manor
- Salisbury Mansion and Store
- Salisbury National Cemetery
- Salisbury Plantation (Westover, Maryland)
- Salisbury Plantation (Woodville, Mississippi)
- Salisbury Railroad Corridor Historic District
- Salisbury Square Historic District
- Salisbury Street Historic District
- Salisbury Town Hall
- Salisbury Turnpike Bridge
- Salisbury Village Blacksmith Shop
- Salisbury station (North Carolina)
- Salley Historic District
- Sallie Chisum Robert House
- Sally Ann Furnace Complex
- Sally Watson House
- Sally-Billy House
- Salmagundi Club
- Salmon Brook Historical Society
- Salmon City Hall and Library
- Salmon Falls (East) Historic District
- Salmon Falls (West) Historic District
- Salmon Falls Dam
- Salmon Falls Mill Historic District
- Salmon Mountain Lookout
- Salmon Odd Fellows Hall
- Salmon P. Chase Birthplace
- Salmon Ruins
- Salmon Turrell Farmstead
- Salmon Washburn House
- Salmon-Stohlman House
- Salome Sellers House
- Salona (McLean, Virginia)
- Salsbury Row House
- Salt Creek Covered Bridge
- Salt Lake City Council Hall
- Salt Lake City Union Pacific Depot
- Salt Lake City and County Building
- Salt Lake Hardware Building
- Salt Lake Stock and Mining Exchange Building
- Salt River Bay National Historical Park and Ecological Preserve
- Salt River Hydroelectric Powerplant
- Salt Sulphur Springs Historic District
- Salt Works Ranch
- Salter House
- Salter's Mill
- Salter-Battle Hunting and Fishing Lodge
- Salters Plantation House
- Saltonstall Street School
- Saltpeter Cave
- Salts Cave Archeological Site
- Saltsburg Historic District
- Saltus Grocery Store
- Saltville Battlefields Historic District
- Saltville Historic District
- Salubria
- Salubria Lodge No. 31
- Saluda Factory Historic District
- Saluda Main Street Historic District
- Saluda Old Town Site
- Saluda Theatre
- Salvador Armijo House
- Salvation Army Building (Pittsburgh, Pennsylvania)
- Salvation Army Building (Spokane, Washington)
- Salvation Army Citadel (Roanoke, Virginia)
- Salvation Army Waiʻoli Tea Room
- Salvation Army Women's Home and Hospital
- Salvo Post Office
- Salyersville National Bank
- Sam A. Baker State Park
- Sam Athay House
- Sam B. Hall Jr. Federal Building and United States Courthouse
- Sam Bailey Building
- Sam Bell Maxey House
- Sam Black Church
- Sam Brannan Cottage
- Sam Brown House
- Sam Brown Memorial State Wayside
- Sam Choy Brick Store
- Sam Cohodas Lodge
- Sam Cooley Barn
- Sam Davidson House
- Sam Davis House (Smyrna, Tennessee)
- Sam Eckman Covered Bridge No. 92
- Sam Epstein House
- Sam Gilliam House
- Sam Himmelfarb
- Sam Houston Schoolhouse
- Sam Hutsell House
- Sam Jones Methodist Church
- Sam Kee Laundry Building
- Sam Marshall House
- Sam Perley Farm
- Sam Ray House
- Sam Rayburn House Museum
- Sam Rayburn Library and Museum
- Sam Ripley Farm
- Sam and Alfreda Maloof Compound
- Sam and Ruth VanSickle Ford House
- Sam and Shirley Strauss House
- Sam's Diner
- Samara (house)
- Samaria, Idaho
- Samester Parkway Apartments
- Sample Estate
- Sample-McDougald House
- Sample—Lindblaum House
- Sampson Theatre
- Sampson's Folly
- Sams Plantation Complex Tabby Ruins
- Samson Fried Estate
- Samson House
- Samson Occom Bridge
- Samuel A. and Margaret Stevenson House
- Samuel Adams Warner House
- Samuel Augspurger Farm
- Samuel Augspurger House
- Samuel B. Conant House
- Samuel B. Stauber Farm
- Samuel Badger Monument
- Samuel Baker House (Elfers, Florida)
- Samuel Baker House (Mendon, Utah)
- Samuel Bancroft House
- Samuel Bartley Holleman House
- Samuel Beach House
- Samuel Beck House
- Samuel Bevier House
- Samuel Botsford House
- Samuel Brooks House (Cornwall, New York)
- Samuel Brown House (Roachdale, Indiana)
- Samuel Brown House (West Richwoods, Arkansas)
- Samuel Brown School
- Samuel Brownlee House
- Samuel Bucknam House
- Samuel Bullock House
- Samuel Burdsal House
- Samuel C. Dunham House
- Samuel C. Hartwell House
- Samuel Caldwell House
- Samuel Chamberlain House
- Samuel Chase House
- Samuel Clarke Farm
- Samuel Cobb House
- Samuel Colby House
- Samuel Coles House
- Samuel Copeland House
- Samuel Corning House
- Samuel Cox House
- Samuel Crockett House
- Samuel Crowthers Mitton House
- Samuel Cunningham House
- Samuel Cupples House
- Samuel D. Byrd Sr. Homestead
- Samuel D. Holcomb School
- Samuel D. Kilpatrick House
- Samuel D. Philbrook House
- Samuel D. Van Duzer House
- Samuel D. Walker House
- Samuel Danford Farm
- Samuel Davis House (Norwich Township, Franklin County, Ohio)
- Samuel Douglass House
- Samuel E. Hackman Building
- Samuel E. Hill House
- Samuel Edelman Apartments
- Samuel Elder House
- Samuel Eliot House
- Samuel F. B. Morse School
- Samuel F. Dale House
- Samuel F. Glass House
- Samuel Farkas House
- Samuel Farnsworth House
- Samuel Farquhar House
- Samuel Farrar House
- Samuel Ferris House
- Samuel Forbes Homestead
- Samuel Foster House
- Samuel Freeman House
- Samuel Frye House
- Samuel G. Reed House
- Samuel G. Smith Farm
- Samuel Gardner House
- Samuel Gaut House
- Samuel George House
- Samuel Gilbert Smith Farmstead
- Samuel Gilmer House
- Samuel Gompers House
- Samuel Gompers Memorial
- Samuel Gould House
- Samuel Green House
- Samuel Greenblatt House
- Samuel Gridley and Julia Ward Howe House
- Samuel Gunn House
- Samuel Gwinn Plantation
- Samuel H. Atwater House
- Samuel H. and Isabel Smith Elkins House
- Samuel Hahnemann Monument
- Samuel Hall House
- Samuel Hannaford House
- Samuel Harper Stone House
- Samuel Harrington House
- Samuel Harrison House
- Samuel Harrison Reed House
- Samuel Hayes II House
- Samuel Hays House
- Samuel Hedges House
- Samuel Hieatt House
- Samuel Hirst Three-Decker
- Samuel Hoffman Jr. House
- Samuel Holden House
- Samuel Holman House
- Samuel Holmes House
- Samuel Hopkins House
- Samuel Hunt House
- Samuel Huntington Birthplace
- Samuel Hyde House
- Samuel I. Hallett House
- Samuel I. and Olena J. Goodwin House
- Samuel Ireland House
- Samuel J. Friedman Theatre
- Samuel J. McElroy House
- Samuel J. Tilden House
- Samuel J. Tipton House
- Samuel J. Tomlinson House
- Samuel Jackson House
- Samuel Jackson Jr. House
- Samuel Johnson House and Cemetery
- Samuel Josiah Atkinson House
- Samuel Kidder Whiting House
- Samuel Kraemer Building
- Samuel L. Smith House
- Samuel Landes House
- Samuel Landon House
- Samuel Lawson Dowling House
- Samuel Leeper Jr. House
- Samuel Lewis House (Bozeman, Montana)
- Samuel Lewis House (Mansfield, Ohio)
- Samuel Lindsey House
- Samuel M. Black House
- Samuel M. Hitt House
- Samuel M. Lane House
- Samuel March House
- Samuel May House
- Samuel May Williams House
- Samuel McCammon House
- Samuel Merrill House
- Samuel Mickle House
- Samuel Miller House
- Samuel Miner House
- Samuel Moody Grubbs House
- Samuel N. Brown House
- Samuel N. Mumma Tobacco Warehouse
- Samuel N. Patterson House
- Samuel Nichols House
- Samuel Nixon House
- Samuel Noble Monument
- Samuel Orton Harrison House
- Samuel Osgood House (North Andover, Massachusetts)
- Samuel P. Dinsmoor
- Samuel P. Ely (shipwreck)
- Samuel P. Hoyt House
- Samuel P. Taylor Service Station
- Samuel P. Williams House
- Samuel Paddock Strong House
- Samuel Parker House (Reading, Massachusetts)
- Samuel Parsons House
- Samuel Patterson House
- Samuel Penney House
- Samuel Purviance House
- Samuel R. Demarest House
- Samuel R. Murphy House
- Samuel R. Pitts Plantation
- Samuel Rexinger House
- Samuel Rich House
- Samuel Richards Hotel
- Samuel Rockwell House
- Samuel S. Fleisher Art Memorial
- Samuel S. Jones Cobblestone House
- Samuel S. Morton House
- Samuel Sadler House
- Samuel Sanchez House
- Samuel Shalit House
- Samuel Shepard Lines House
- Samuel Shrewsbury Sr. House
- Samuel Simpson House
- Samuel Singleton House
- Samuel Sloan House
- Samuel Smith House (East Lyme, Connecticut)
- Samuel Smith House and Tannery
- Samuel Smith Tavern Site
- Samuel Stacker House
- Samuel Starks House
- Samuel Stewart Watson House
- Samuel Stocking House
- Samuel Stoner Homestead
- Samuel Sweet Canal Store
- Samuel T. Merritt House
- Samuel T. and Mary B. Parnell House
- Samuel Taft House
- Samuel Taylor Suit Cottage
- Samuel Tenney House
- Samuel Train House
- Samuel Vaisberg House
- Samuel Van Sant House
- Samuel Viall House
- Samuel W. Cockrell House
- Samuel W. King House
- Samuel W. Pennypacker School
- Samuel W. Seeley House
- Samuel W. Temple House
- Samuel Wadsworth Russell House
- Samuel Warden House
- Samuel Warren Branch House
- Samuel Weston Homestead
- Samuel Wheat House
- Samuel White House
- Samuel Wyatt House
- Samuel and Ann Young House
- Samuel and Elbert Jackson House
- Samuel and Emma A. Ranshaw House
- Samuel and Geneva Holt Farmstead
- Samuel and Harriet Burrows House
- Samuel and Johanna Jones Farm
- Samuel and Lana Ewing House
- Samuel and Mary Logan Briggs House
- Samuel and Minette Kuhn House
- Samuel and Nina Marcus House
- Samuel and Pauline Peery House
- Samuel and Sally Wilson House
- Samuel and Sarah Hulme House
- Samuels' Cave
- San Agustin de Laredo Historic District
- San Angelo National Bank Building
- San Antonio Downtown and River Walk Historic District
- San Antonio Japanese Tea Garden
- San Antonio Missions National Historical Park
- San Antonio Municipal Auditorium
- San Antonio National Cemetery
- San Antonio de Padua Church
- San Antonio de Padua del Quemado Chapel
- San Antonio station (Texas)
- San Antonito Church and Cemetery
- San Augustine County Courthouse and Jail
- San Bernardino County Court House
- San Bernardino Downtown Station
- San Bernardino Ranch
- San Bernardino Santa Fe Depot
- San Buenaventura Mission Aqueduct
- San Carlos Hotel (Yuma, Arizona)
- San Carlos station
- San Diego Athletic Club
- San Diego County Administration Center
- San Diego State University
- San Diego Trust and Savings Bank Building
- San Dimas Hotel
- San Dionisio Church Ruins
- San Domingo School
- San Estévan del Rey Mission Church
- San Farlando Apartments
- San Felipe (shipwreck)
- San Felipe de Austin State Historic Site
- San Felipe de Neri Church
- San Fernando Building
- San Francisco Armory
- San Francisco Art Institute
- San Francisco Bay Discovery Site
- San Francisco Ferry Building
- San Francisco Fire Department Engine Co. Number 2
- San Francisco Maritime National Historical Park
- San Francisco Mint
- San Francisco Plantation House
- San Francisco State University
- San Francisco VA Medical Center
- San Francisco cable car system
- San Francisco de Asís Mission Church
- San Francisco–Oakland Bay Bridge
- San Gabriel Mission Playhouse
- San Gabriel de Yungue-Ouinge
- San Germán Historic District
- San Gregorio House
- San Ignacio Church, Albuquerque
- San Ildefonso Pueblo, New Mexico
- San Jacinto Battleground State Historic Site
- San Jacinto County Courthouse
- San Jacinto County Jail
- San Jacinto High School (Houston)
- San Jacinto Street Bridge over Buffalo Bayou
- San Joaquin Church (Ensenada, New Mexico)
- San Joaquin Light and Power Corporation Building
- San Jose Church (La Mesa, New Mexico)
- San Jose Diridon station
- San Jose Episcopal Church
- San Jose Estates Thematic Resource Area
- San Jose Museum of Art
- San Joseph de Ocuya
- San José de Gracia Church
- San José de la Laguna Mission and Convento
- San José y Las Animas (shipwreck)
- San Juan Bautista State Historic Park
- San Juan Historic District
- San Juan Island National Historical Park
- San Juan National Historic Site
- San Juan River Bridge at Shiprock
- San Juan Teacherage
- San Juan de Aspalaga
- San Juan del Puerto, Florida
- San Lazaro archaeological site
- San Lorenzo Historic District
- San Lorenzo Valley Museum
- San Luis Bridge
- San Luis Gonzaga Archeological District
- San Luis Obispo Carnegie Library
- San Luis Obispo Octagon Barn
- San Luis Southern Railway Trestle
- San Marco (Spokane, Washington)
- San Marcos Hotel
- San Marcos de Apalache Historic State Park
- San Mateo County History Museum
- San Miguel Chapel Site
- San Miguel Island
- San Miguel de Asile
- San Miguel de Socorro
- San Miguel del Vado, New Mexico
- San Patricio de Hibernia Monument
- San Pedro Chapel
- San Pedro Municipal Ferry Building
- San Pedro Springs Park
- San Pedro Underwater Archaeological Preserve State Park
- San Pedro y San Pablo de Patale
- San Rafael Bridge (Utah)
- San Rafael Improvement Club
- San Rafael Ranch
- San Timoteo Canyon
- San Vitores Beach Japanese Fortification
- San Vitores Martyrdom Site
- San Ygnacio, Texas
- San Ysidro Church
- Sanatoga Union Sunday School
- Sanborn Field
- Sanborn House (Winchester, Massachusetts)
- Sanborn Seminary
- Sanbornton Square Historic District
- Sanchez Homestead
- Sanchez Powder House Site
- Sanchez-March House
- Sanctuary River Cabin No. 31
- Sanctuary of Blessed Martín de Porres
- Sand Bar State Park
- Sand Beach Church
- Sand Brook, New Jersey
- Sand Creek Massacre National Historic Site
- Sand Hills Historic District
- Sand Hills Light
- Sand Hollow Wash Bridge
- Sand Island Light (Alabama)
- Sand Key Light
- Sand Lake Baptist Church
- Sand Point Light
- Sand Point Site
- Sand Spring Presbyterian Church
- Sand Springs Station
- Sandbar Plantation
- Sandburg House
- Sandenburgh-Rogers Summer Resort Complex
- Sanderling Beach Club
- Sanders Bridge
- Sanders County Jail
- Sanders Farm
- Sanders Gymnasium and Community Hall
- Sanders Hill
- Sanders House (Little Rock, Arkansas)
- Sanders-Hairr House
- Sanders-Hollabaugh House
- Sanderson Covered Bridge
- Sanderson House (Pollocksville, North Carolina)
- Sanderson House (Scottholm Boulevard, Syracuse, New York)
- Sanderson House (Scottholm Terrace, Syracuse, New York)
- Sanderson–Clark Farmhouse
- Sandford Dugout
- Sandford Hall
- Sandgates On Cat Creek
- Sandia Cave
- Sandown Depot
- Sandown Old Meetinghouse
- Sandpoint Federal Building
- Sandpoint High School
- Sandpoint Historic District
- Sandpoint station
- Sandra Day O'Connor House
- Sandrock Cliffs
- Sands Family Cemetery
- Sands Ring Homestead Museum
- Sands-Willets Homestead
- Sandstone Ranch (Nevada)
- Sandstone School (Keene, North Dakota)
- Sandstone and Cobblestone Schools
- Sandusky County Jail and Sheriff's House
- Sandusky House (Lynchburg, Virginia)
- Sandusky station
- Sandwich (Urbanna, Virginia)
- Sandwich City Hall
- Sandwich–Marseilles Manufacturing Building
- Sandy (log canoe)
- Sandy City Bank
- Sandy Co-op Block
- Sandy Creek Bridge
- Sandy Creek Covered Bridge State Historic Site
- Sandy Creek Historic District
- Sandy Ground Historic Archeological District
- Sandy Hill Tavern
- Sandy Historic District
- Sandy Hook Light
- Sandy Neck Cultural Resources District
- Sandy Point (Edenton, North Carolina)
- Sandy Point Farmhouse
- Sandy Point National Wildlife Refuge
- Sandy Point Shoal Light
- Sandy Point Site
- Sandy Pond School
- Sandy Second Ward Chapel
- Sandy Spring Friends Meetinghouse
- Sandy Tithing Office
- Sanford Commercial District
- Sanford F. Conley House
- Sanford Grammar School
- Sanford Hotel
- Sanford House (Queensbury, New York)
- Sanford House (Sioux City, Iowa)
- Sanford House (Syracuse, New York)
- Sanford Mills Historic District
- Sanford Residential Historic District
- Sanford Road Historic District
- Sanford Spinning Co.
- Sanford Whip Factory
- Sanford Wilson House
- Sanford-Humphreys House
- Sanford-Springvale Historic Museum
- Sanford–Curtis–Thurber House
- Sanger Harris department store building
- Sangerville Town Hall
- Sanibel Colored School
- Sanibel Island Light
- Sanilac Petroglyphs Historic State Park
- Sanitarium Lake Bridges Historic District
- Sanitary Laundry Company Building
- Sanitol Building
- Sanitorium Covered Bridge
- Sankaty Head Light
- Sankot Motor Company
- Sannick Family Farm
- Sannoner Historic District
- Sanpete County Courthouse
- Sans Souci (Hillsborough, North Carolina)
- Sanseer Mill
- Sansom Row
- Santa Ana Fire Station Headquarters No. 1
- Santa Ana del Chiquiburitac Mission Site
- Santa Ana, California
- Santa Barbara Apartments
- Santa Barbara County Courthouse
- Santa Barbara Island
- Santa Barbara School
- Santa Barbara station
- Santa Clara Hotel
- Santa Clara Pueblo, New Mexico
- Santa Clara Relief Society House
- Santa Clara Transit Center
- Santa Cruz Catholic Church
- Santa Cruz County Courthouse (Arizona)
- Santa Cruz Island
- Santa Cruz Looff Carousel and Roller Coaster
- Santa Fe 2926
- Santa Fe 3415
- Santa Fe 3751
- Santa Fe 3759
- Santa Fe 5000
- Santa Fe Building (Amarillo)
- Santa Fe Depot (Oklahoma City)
- Santa Fe Depot (San Diego)
- Santa Fe Federal Savings and Loan Association
- Santa Fe Freight Depot
- Santa Fe Historic District
- Santa Fe National Cemetery
- Santa Fe Passenger Depot (Fresno, California)
- Santa Fe Plaza
- Santa Fe Railway Shops (Albuquerque)
- Santa Fe Railway Water Tank
- Santa Fe Terminal Complex
- Santa Fe Trail
- Santa Fe Trail Remains
- Santa Fe Trail – Grand Pass Trail Segments
- Santa Fe Trail – Saline County Trail Segments
- Santa Fe Trail-Kearny County Segment 1
- Santa Fe Trail-Rice County Trail Segments
- Santa Monica Looff Hippodrome
- Santa Rosa Island (California)
- Santa Rosa Island Range Complex
- Santa Rosa de Lima (Abiquiu, New Mexico)
- Santanoni Preserve
- Santaquin Junior High School
- Santee (Corbin, Virginia)
- Santee Canal
- Santee Indian Mound and Fort Watson
- Santeetlah Dam
- Santiago E. Campos United States Courthouse
- Santiam Wagon Road
- Santillane
- Santo Christo Church (Fall River, Massachusetts)
- Santo Domingo Indian Trading Post
- Santora Building
- Santuit Historic District
- Santuit Post Office
- Sapelo Island Light
- Sapp House
- Sapp Plantation
- Sappony Church
- Sara Delano Roosevelt Memorial House
- Sara Foster Colburn House
- Sara Raynolds Hall
- Sara-Thel Court
- Saragossa (Natchez, Mississippi)
- Sarah A. Haskins House
- Sarah Amanda Trott McKinney House
- Sarah Benedict House
- Sarah Daft Home for the Aged
- Sarah Davidson Apartment Block
- Sarah Eliza Harris House
- Sarah H. Harding House
- Sarah Helmick State Recreation Site
- Sarah J. Baker School
- Sarah Lowe Stedman House
- Sarah Martin House
- Sarah Munroe Three-Decker
- Sarah Orne House
- Sarah Orne Jewett House
- Sarah Pennington House
- Sarah Whitman Hooker House
- Sarah and Samuel Nicholson House
- Sarasota County Courthouse
- Sarasota Herald Building
- Sarasota High School
- Sarasota Municipal Auditorium
- Sarasota Opera House
- Sarasota Times Building
- Sarasota Woman's Club
- Saratoga (Boyce, Virginia)
- Saratoga Foothill Club
- Saratoga Gas, Electric Light and Power Company Complex
- Saratoga Masonic Hall
- Saratoga National Historical Park
- Saratoga Spa State Park
- Saratoga Springs Visitor Center
- Saratoga Victory Mill
- Saratoga Village Library
- Sarbanes Cottage
- Sarcoxie Public Square Historic District
- Sardis Baptist Church (Birmingham, Alabama)
- Sardis Baptist Church (Union Springs, Alabama)
- Sardis Methodist Church
- Sardis Presbyterian Church and Cemetery
- Sarge Boyd Bandshell
- Sargent County Courthouse
- Sargent House (Harrisonburg, Louisiana)
- Sargent's Garage
- Sargent's Pond
- Sargent-Roberts House
- Sargent-Robinson House
- Sarles' Tavern
- Sarto Bridge
- Sarum (Newport, Maryland)
- Sarvis Fork Covered Bridge
- Sasabe Port of Entry
- Sashabaw Presbyterian Church
- Sassafras Site, RI-55
- Sasser Farm
- Satala Cemetery
- Sather Gate
- Sather Tower
- Saticoy station
- Satterfield Motor Company Building
- Satulah Mountain Historic District
- Saturday Club (Wayne, Pennsylvania)
- Saturn Club
- Saturn V
- Saturn V dynamic test stand
- Saturn V dynamic test vehicle
- Sauer Buildings Historic District
- Sauer Castle
- Sauganash Historic District
- Saugatuck Gap Filler Radar Annex
- Saugatuck Pump House
- Saugatuck River Bridge
- Saugatuck River Railroad Bridge
- Saugerties Light
- Saugus Iron Works National Historic Site
- Saugus Town Hall
- Sauk City Fire Station
- Sauk City High School
- Sauk County Courthouse
- Sault Ste. Marie Historic Commercial District
- Saunders County Courthouse
- Saunders School
- Saunders-Crosby House
- Saunderstown, Rhode Island
- Saunders–Paine House
- Sausalito Woman's Club
- Sauser–Lane House
- Sautee Valley Historic District
- Savage House (Nashville, Tennessee)
- Savage House and Garden
- Savage Island (Washington)
- Savage Mill
- Savage Mill Historic District
- Savage-Stewart House
- Savanna Portage State Park
- Savannah Avenue Historic District
- Savannah Historic District (Savannah, Georgia)
- Savannah Victorian Historic District
- Savannah–Ogeechee Canal
- Savanna–Sabula Bridge
- Savenac Nursery Historic District
- Saverton School
- Savery Hotel
- Saville Covered Bridge
- Savin Hill
- Savin-Wilson House
- Savings Bank Block
- Savings Bank Building
- Savo Hall
- Savona Mill
- Savonoski River Archeological District
- Savoy Hotel and Grill
- Savoyard Centre
- Sawhill Covered Bridge
- Sawin–Bullen–Bullard House
- Sawtooth City, Idaho
- Sawyer Building
- Sawyer Farmhouse
- Sawyer Homestead (Sterling, Massachusetts)
- Sawyer House (Boxford, Massachusetts)
- Sawyer House (Monroe, Michigan)
- Sawyer Motor Company Building
- Sawyer Tavern
- Sawyer Woolen Mills
- Sawyers Bar Catholic Church
- Sawyers Crossing Covered Bridge
- Sawyer–Curtis House
- Sawyer–Medlicott House
- Saxman Totem Park
- Saxon Lutheran Memorial (Frohna, Missouri)
- Saxon Motor Car Store
- Saxonburg Historic District
- Saxonville Historic District
- Saxony Apartment Building
- Saxony Mill
- Saxton United Methodist Church
- Saxtons River, Vermont
- Saybrook Breakwater Light
- Sayler's Creek Battlefield
- Saylesville Meetinghouse
- Saylesville, Rhode Island
- Sayre Champlin Service Station
- Sayre City Park
- Sayre Downtown Historic District
- Sayre House
- Sayre School
- Sayre Street School
- Sayre and Fisher Reading Room
- Sayre station (Oklahoma)
- Sayville Congregational Church
- Scaleby (Boyce, Virginia)
- Scales Mound Historic District
- Scalplock Mountain Fire Lookout
- Scamman Farm
- Scammon Farm Historic District
- Scampini Block
- Scandinavian Methodist Church
- Scanlan Building
- Scanlon Farm
- Scarab Club
- Scarborough Historic District
- Scarborough House
- Scarborough House Archaeological Site
- Scarlet Oaks
- Scarritt Building and Arcade
- Scarritt College for Christian Workers
- Scarsdale Woman's Club
- Scarsdale station
- Scatterville Cemetery
- Scenery Hill Historic District
- Scenic Bridge
- Scenic State Park
- Schade Brewery
- Schaefers Building
- Schaeffer House
- Schaer House
- Schafer State Park
- Schaffer Farmstead
- Schanen–Zolling House
- Schantz Organ Co.
- Scharnberg House
- Schaumboch's Tavern
- Schech's Mill
- Schellbourne, Nevada
- Schellsburg Historic District
- Schenck's Mill Covered Bridge
- Schenck-Mann House
- Schenectady Armory
- Schenectady City Hall
- Schenley Farms Historic District
- Schenley High School
- Schenley Park
- Schepis Building
- Schermerhorn Building
- Schermerhorn Row Block
- Schick–Ostolasa Farmstead
- Schifferstadt (Frederick, Maryland)
- Schiffman Building
- Schiller Elementary School
- Schilling Archeological District
- Schilling Ranch Historic District
- Schinasi Mansion
- Schindhelm-Drews House
- Schindler House
- Schines Auburn Theatre
- Schlee Brewery Historic District
- Schlee-Kemmler Building
- Schley County Courthouse
- Schlicher Covered Bridge
- Schlitz Hotel
- Schlotterbeck and Foss Building
- Schmidt Artist Lofts
- Schmidt Block
- Schmidt House (Elkader, Iowa)
- Schmidt Site
- Schmidt-Godert Farm
- Schmitt and Henry Manufacturing Company
- Schmitz Block
- Schmitz Park Bridge
- Schmucker Hall
- Schneider Triangle
- Schneider's Opera House
- Schneitter Hotel
- Schnull–Rauch House
- Schodack Landing Historic District
- Schoellkopf Power Station
- Schoenberger Hall
- Schoenhofen Brewery Historic District
- Schoenstein & Co.
- Schofield Hall
- Schoharie County Courthouse Complex
- Schoharie Crossing State Historic Site
- Schoharie Valley Railroad Complex
- Scholes Hall
- Scholz Garten
- Scholze–Sayles House
- Schomburg Center for Research in Black Culture
- Schonchin Butte
- Schoodic Peninsula
- School 13
- School Addition Historic District
- School House (Beaver, Utah)
- School House and Town Hall
- School No. 27 (Commodore John Rodgers Elementary School)
- School No. 6
- School No. 7 (Dunkirk, New York)
- School Number 6 (Davenport, Iowa)
- School Street Barn
- School Street Duplexes
- School Street School (Haverhill, Massachusetts)
- School Street School (Taunton, Massachusetts)
- School of Tropical Medicine (Puerto Rico)
- Schoolcraft Furnace site
- Schooley's Mountain Historic District
- Schoolfield School Complex
- Schoolfield Welfare Building
- Schoolhouse Children's Museum & Learning Center
- Schoolhouse No. 5
- Schoolhouse No. 6
- Schoolhouse at Truxton Canyon Training School
- Schoolridge Farm
- Schools of the Sacred Heart (Louisiana)
- Schoonmaker House
- Schoonmaker Reef
- Schoonmaker Stone House and Farm
- Schoonover Mountain House
- Schornstein Grocery and Saloon
- Schorsch Irving Park Gardens Historic District
- Schraalenburgh North Church
- Schrader-Griswold Cottage
- Schramm Building
- Schramsberg Vineyards
- Schriver House
- Schroeder Bros. Meat Market
- Schroeder Lumber Company Bunkhouse
- Schroeder-Klein Grocery Company Warehouse
- Schroeppel House
- Schubert Theatre (Gooding, Idaho)
- Schudel No. 2 Site
- Schuetz Log Cabin
- Schultz Brothers Drug Store
- Schultz Building
- Schultz and Green Point Sites
- Schultz site
- Schulze Baking Company Plant
- Schunk Lodge
- Schuster Building
- Schuyler Apartments
- Schuyler Carnegie Library
- Schuyler City Hall
- Schuyler County Courthouse Complex
- Schuyler Flatts
- Schuyler Historic District
- Schuyler Mansion
- Schuyler Mill – Ford Soybean Plant Complex
- Schuyler–Colfax House
- Schuylkill Canal
- Schuylkill County Bridge No. 113
- Schuylkill County Bridge No. 114
- Schwartz Tavern
- Schwartze Mansion
- Schwietermann Hall
- Science Hall (Alva, Oklahoma)
- Science Hill School (Shelbyville, Kentucky)
- Scimitar Building
- Sciola Missionary Baptist Church
- Scioto Grange No. 1234
- Scipio A. Jones House
- Scipio Town Hall
- Scoby Power Plant and Dam
- Scofield-Sanor House
- Scotch Grove, Iowa
- Scotch Hall
- Scotch Plains Baptist Church
- Scotch Plains School
- Scotchtown (plantation)
- Scotchtown Cemetery
- Scotia Chalk Building
- Scotia Iron Furnace Stack
- Scotland Bridge
- Scotland Cemetery
- Scotland Hotel
- Scotland Neck Historic District
- Scott Bond Family Plot
- Scott Brownlee Covered Bridge
- Scott Cemetery (Walnut Ridge, Arkansas)
- Scott Commercial Building
- Scott County Courthouse (Arkansas)
- Scott County Courthouse (Kentucky)
- Scott County Courthouse (Missouri)
- Scott County Home
- Scott County Jail (Iowa)
- Scott County Jail Complex
- Scott Covered Bridge (Rogersville, Pennsylvania)
- Scott Covered Bridge (Townshend, Vermont)
- Scott Creek Bridge-North, Maryland and Pennsylvania Railroad
- Scott Farm Historic District
- Scott Field Historic District
- Scott Hill (Elkins, West Virginia)
- Scott House (Hampton, Virginia)
- Scott House (Kingstree, South Carolina)
- Scott House (Richmond, Virginia)
- Scott Joplin House State Historic Site
- Scott Point site
- Scott Street Firehouse
- Scott Street Pavilion
- Scott and Roberts Dry Cleaning Plant, Office, and Store
- Scott's Addition Historic District
- Scott's Store
- Scott's Woods Historic District
- Scott-Davis House
- Scott-Edwards House
- Scott-Hutton Farm
- Scott-Lucas House
- Scott-Majors House
- Scottdale Armory
- Scottdale Historic District
- Scottholm, Syracuse
- Scottish Rite Cathedral (Galveston, Texas)
- Scottish Rite Cathedral (Indianapolis)
- Scottish Rite Cathedral (Joplin, Missouri)
- Scottish Rite Cathedral (New Castle, Pennsylvania)
- Scottish Rite Cathedral (Omaha, Nebraska)
- Scottish Rite Cathedral (San Antonio, Texas)
- Scottish Rite Cathedral (Shreveport, Louisiana)
- Scottish Rite Consistory Building (Des Moines, Iowa)
- Scottish Rite Dormitory
- Scottish Rite Temple (Guthrie, Oklahoma)
- Scottish Rite Temple (Kansas City, Kansas)
- Scottish Rite Temple (Lincoln, Nebraska)
- Scottish Rite Temple (Mobile, Alabama)
- Scottish Rite Temple (Santa Fe, New Mexico)
- Scottish Rite Temple (Wichita, Kansas)
- Scottland Plantation House
- Scottown Covered Bridge
- Scotts Bluff County Courthouse
- Scotts Bluff National Monument
- Scottsbluff Carnegie Library
- Scottsboro station
- Scottsburg Courthouse Square Historic District
- Scottsburg station
- Scottsville Downtown Commercial Historic District
- Scottsville Free Library
- Scottsville Historic District
- Scottville School
- Scotty's Castle
- Scott–Vrooman House
- Scott–Walker House
- Scouting in Kansas
- Scoville Library
- Scoville Memorial Library (Carleton College)
- Scoville Park
- Scoville Powerhouse
- Scoville Square
- Scowcroft Warehouse
- Scrabble School
- Scrabble, West Virginia
- Scrabbletown Historic and Archeological District
- Scranton Armory
- Scranton Chamber of Commerce Building
- Scranton City Hall
- Scranton Cultural Center
- Scranton House
- Scranton Iron Furnaces
- Scranton Lace Company
- Scranton station (Central Railroad of New Jersey)
- Scribner Building
- Scribner Covered Bridge
- Scribner Homestead
- Scribner House (Cornwall, New York)
- Scribner House (New Albany, Indiana)
- Scripps College
- Scripps Hall (California)
- Scripps Mansion
- Scuffle Hill
- Scull Historic District
- Scully Ranch
- Sculptured House
- Scuppernong River Bridge
- Sea Call Farm
- Sea Change (Northeast Harbor, Maine)
- Sea Cliff Firehouse
- Sea Cliff Village Hall, Library and Museum Complex
- Sea Cliff station
- Sea Foam Motel
- Sea Gull (skipjack)
- Sea Pines (archaeological site)
- Sea Street Historic District
- Sea and Land Church
- Seaba's Filling Station
- Seaboard Air Line 6113
- Seaboard Air Line 6603
- Seaboard Air Line Railway Building
- Seaboard Coast Line Railroad Depot (Headland, Alabama)
- Seaboard Coastline Building
- Seaboard Historic District
- Seaboard Milling Company
- Seaborn Goodall House
- Seaborn M. Shankle House
- Seabreeze, Florida
- Seabright Lawn Tennis and Cricket Club
- Seabrook–Wilson House
- Seacoast Packing Company
- Seaconnett Mills
- Seafarers Yacht Club
- Seaford Station Complex
- Seagate (Manatee County, Florida)
- Seagle Building
- Seagram Building
- Seaholm Power Plant
- Seal Harbor Congregational Church
- Seal Island Historic District
- Seaman Farm
- Seaman Field House
- Seamen's Church Institute of Newport
- Seamour and Gerte Shavin House
- Search Well
- Searcy Confederate Monument
- Searcy County Courthouse
- Searcy Municipal Courthouse
- Searight's Fulling Mill
- Searights Tollhouse, National Road
- Searle, Gardner and Company Cuff and Collar Factory
- Searles Castle (Massachusetts)
- Searles High School
- Searles Hill Cemetery
- Searles School and Chapel
- Sears House (Austin, Arkansas)
- Sears House (Staunton, Virginia)
- Sears Tower – Harvard Observatory
- Sears' Crescent and Sears' Block
- Sears, Roebuck & Company Mail Order Building (Los Angeles, California)
- Sears, Roebuck and Company Complex
- Sears, Roebuck and Company Department Store (Miami, Florida)
- Sears, Roebuck and Company Department Store (Washington, D.C.)
- Sears, Roebuck and Company Retail Department Store-Camden
- Sears, Roebuck and Company Store (Louisville, Kentucky)
- Sears, Roebuck and Company Warehouse Building (North Kansas City, Missouri)
- Sears-Kay Ruin
- Searsport Historic District
- Sears–Ferris House
- Seashore Farmers' Lodge No. 767
- Seaside Institute
- Seaside Park (Connecticut)
- Seaside Park (Marblehead, Massachusetts)
- Seaside Plantation
- Seaside Plantation House
- Seaside School
- Seaside Village Historic District
- Seated Lincoln (Borglum)
- Seaton (South Boston, Virginia)
- Seattle Asian Art Museum
- Seattle Municipal Light and Power Plant
- Seattle Public Library University Branch
- Seattle Tower
- Seavey House (Goshen, New Hampshire)
- Seavey-Robinson House
- Seaview Hospital
- Seawall Campground
- Seawanhaka Corinthian Yacht Club
- Seay's Chapel Methodist Church
- Sebastian Baker Stone House
- Sebastian County Courthouse-Fort Smith City Hall
- Sebastian County Road 4G Bridge
- Sebastian Grammar and Junior High School
- Sebasticook Lake Fishweir Complex
- Sebastopol House Historic Site
- Sebastopol station (Petaluma and Santa Rosa Railroad)
- Sebec-Piscataquis River Confluence Prehistoric Archeological District
- Sebre Lake Site
- Sebrell Rural Historic District
- Sebring Downtown Historic District
- Sebring station
- Secessionville Historic District
- Seclusaval and Windsor Spring
- Second A. P. Cutter House
- Second Arenac County Courthouse
- Second Avenue Commercial District
- Second Bank of the United States
- Second Baptist Church (Bloomington, Indiana)
- Second Baptist Church (Centerville, Iowa)
- Second Baptist Church (Columbia, Missouri)
- Second Baptist Church (Detroit, Michigan)
- Second Baptist Church (Los Angeles)
- Second Baptist Church (Mechanicsburg, Ohio)
- Second Baptist Church (Mount Pleasant, Iowa)
- Second Baptist Church (Neosho, Missouri)
- Second Baptist Church (Poughkeepsie, New York)
- Second Baptist Church (Washington, D.C.)
- Second Baptist Church of Dover
- Second Baptist Church of Wayne
- Second Baptist Society of Ulysses
- Second Battle of Newtonia Site
- Second Battle of Nipsachuck Battlefield
- Second Brazer Building
- Second C. A. Sawyer House
- Second Callahan Block
- Second Cambridge Savings Bank Building
- Second Christian Church (Columbia, Missouri)
- Second Church in Boston
- Second Church in Newton
- Second Church of Christ
- Second Church of Christ, Scientist (Long Beach, California)
- Second Church of Christ, Scientist (Los Angeles)
- Second Church of Christ, Scientist (Milwaukee, Wisconsin)
- Second Congregational Church (Memphis, Tennessee)
- Second Congregational Church (Newcastle, Maine)
- Second Free Baptist Church
- Second Leiter Building
- Second Midland School
- Second National Bank (Washington, D.C.)
- Second National Bank of Meyersdale
- Second O'Shea Building
- Second Old School Baptist Church of Roxbury
- Second Pinal County Courthouse
- Second Presbyterian Church (Birmingham, Alabama)
- Second Presbyterian Church (Chattanooga, Tennessee)
- Second Presbyterian Church (Chicago)
- Second Presbyterian Church (Columbus, Ohio)
- Second Presbyterian Church (Lexington, Kentucky)
- Second Presbyterian Church (Petersburg, Virginia)
- Second Presbyterian Church (Portsmouth, Ohio)
- Second Presbyterian Church (Richmond, Virginia)
- Second Presbyterian Church (St. Louis, Missouri)
- Second Railroad Car No. 21
- Second Reformed Dutch Church
- Second Reformed Dutch Church of Kingston
- Second Rindge Meetinghouse, Horsesheds and Cemetery
- Second Southwark Church Archeological Site
- Second St. Joseph County Courthouse
- Second St. Joseph Hotel
- Second Street Bridge (Allegan, Michigan)
- Second Street Bridge (Chester, Pennsylvania)
- Second Street Historic District (Albemarle, North Carolina)
- Second Street–Gun River Bridge
- Second Tompkins County Courthouse
- Second Union School
- Second Unitarian Church
- Second United Presbyterian Church
- Second Ward Negro Elementary School
- Second Waterhouse House
- Second Yadkin County Jail
- Second and Third Avenue Historic District
- Secondary Industrial School
- Secrest Ferry Bridge
- Secrest Octagon Barn
- Secrest-Wampler House
- Security Bank Building (Sioux Falls, South Dakota)
- Security Bank and Trust Company Building
- Security Building (Cedar Rapids, Iowa)
- Security Building (Dubuque, Iowa)
- Security Building (Miami, Florida)
- Security Building (Phoenix, Arizona)
- Security Building (St. Louis, Missouri)
- Security Savings Bank
- Security State Bank (Eskridge, Kansas)
- Security State Bank (Willow Lake, South Dakota)
- Security Storage and Safe Deposit Company Warehouse
- Security Trust Building
- Sedalia Commercial Historic District
- Sedalia Public Library
- Sedalia station (Missouri, Kansas and Texas Railroad)
- Sedan Crater
- Sedberry-Holmes House
- Sedgwick County Courthouse
- Sedgwick County Memorial Hall and Soldiers and Sailors Monument
- Sedgwick Gardens
- Sedgwick Historic District
- Sedgwick House (Bath, New York)
- Sedona Ranger Station
- See House
- See-Ward House
- Seeberger–Loring–Kilburn House
- Seebert Lane Colored School
- Seed Warehouse No. 5
- Seehorn-Lang Building
- Seelbach Hotel
- Seeley Cottage
- Seeley Farmhouse
- Seelig–Byler House
- Segal Building
- Sego, Utah
- Seguin Covered Bridge
- Seguin Light
- Seguine Mansion
- Seha Sorghum Mill
- Seiberling Mansion
- Seigle Homestead
- Seiler Building
- Seiling Milling Company
- Seip House
- Seipsville Hotel
- Seivers Brothers Ranchhouse and Barn
- Selah Barnes House
- Selby Apartments
- Selby Field
- Selby Opera House
- Selden Brewer House
- Selden Miner House
- Selden Neck State Park
- Selenie Lagoon Archeological Site
- Self Creek Bridge
- Self–Trott–Bickett House
- Selig Company Building
- Selig's Dry Goods Company Building
- Seligman, Arizona
- Selinsgrove Hall and Seibert Hall
- Selkirk Farm
- Selkirk Light
- Sellars Farm site
- Selleck, Washington
- Seller's Standard Station and Pullman Diner
- Sellers Farm
- Sellers Hall
- Sellers House (Beebe, Arkansas)
- Sellers House (Conway, Arkansas)
- Sellers House (Pittsburgh, Pennsylvania)
- Sellers Mansion
- Selling Building
- Sellwood Branch YMCA
- Selma (Eastville, Virginia)
- Selma Methodist Church
- Selma Plantation
- Selma Rosenwald School
- Selma Terrace
- Selma Union Depot
- Selma University
- Selph Building
- Selwyn (Mechanicsville, Virginia)
- Semevolos Farm
- Seminary Hill Residential Historic District
- Seminary Square Park
- Seminary–O'Neal Historic District
- Seminole Cafe and Hotel
- Seminole Canyon State Park and Historic Site
- Seminole County Courthouse (Georgia)
- Seminole County Courthouse (Oklahoma)
- Seminole County Home
- Seminole Heights Residential District
- Seminole Inn
- Seminole Rest
- Seminole Valley Farmstead
- Semorile Building
- Sen. James A. Harrison House
- Sen. John Holmes House
- Sen. Joseph O. Clark House
- Sen. Walter Lowrie House
- Sen. William Blair House
- Sen. William H. Thompson House
- Sen. William P. Frye House
- Sen. William P. Jackson House
- Senate Court Apartments
- Senate House State Historic Site
- Senator George Sellar Bridge
- Senator Hotel
- Senator Stephen Benton Elkins House
- Senator Street Historic District
- Senator Theatre
- Senator William T. Byrne House
- Seneca Avenue East Historic District
- Seneca County Courthouse Complex at Ovid
- Seneca Falls Village Historic District
- Seneca Glass Company Building
- Seneca Historic District (Poolesville, Maryland)
- Seneca Historic District (Seneca, South Carolina)
- Seneca Hotel
- Seneca Presbyterian Church
- Seneca Quarry
- Seneca River Crossing Canals Historic District
- Seneca State Forest
- Seneca Williams Mill
- Seneca–Onderdonk–Woodward Historic District
- Sengstake Building
- Senior Hall (Berkeley, California)
- Senior Hall (Columbia, Missouri)
- Senn's Grist Mill-Blacksmith Shop-Orange Crush Bottling Plant
- Sennett Federated Church and Parsonage
- Sennett and Bertha Kirk House
- Senter-Rooks House
- Sentinel Block
- Sentinel Building (Centralia, Illinois)
- Sentinel Island Light
- Sentry Box
- Seppman Mill
- Sequatchie County Courthouse
- Sequoia Field Airport
- Sequoia High School (Redwood City, California)
- Sequoyah Hills
- Sequoyah's Cabin
- Serbian Home
- Sereck Shallcross House
- Sereno W. Graves House
- Sergeant Floyd (towboat)
- Sergeant Floyd Monument
- Sergeantsville, New Jersey
- Serpent Cave
- Serpent Mound
- Serpents Trail
- Servetus W. Ogan House
- Servoss House
- Sesser Opera House
- Sessions House (Painesville, Ohio)
- Sessions Schoolhouse
- Sessions–Pope–Sheild House
- Setauket Presbyterian Church and Burial Ground
- Seth Adams House
- Seth Aldrich House
- Seth Boyden House
- Seth Davis House
- Seth E. Ward Homestead
- Seth French House
- Seth Hallett House
- Seth Hays House
- Seth Knapp Jr. House
- Seth Lore and Irwinton Historic District
- Seth M. Gates House
- Seth Peterson Cottage
- Seth Richards Commercial Block
- Seth Seelye House
- Seth Spear Homestead
- Seth Warner House
- Seth Wetmore House
- Seth and Elizabeth Wilson House
- Seto Building
- Seton Hill, Baltimore
- Seton Village
- Settlemyer House
- Settles Hotel
- Seufert House
- Seul Choix Light
- Seven Chimneys
- Seven Dolors Catholic Church
- Seven Foot Knoll Light
- Seven Gables (Baraboo, Wisconsin)
- Seven Hearths
- Seven Islands Archeological and Historic District
- Seven Islands Methodist Church
- Seven Mile Island Archeological District
- Seven Oaks (Asheville, North Carolina)
- Seven Oaks (Sac City, Iowa)
- Seven Oaks Estate
- Seven Oaks Farm and Black's Tavern
- Seven Pines National Cemetery
- Seven Ranges Terminus
- Seven Springs (Enfield, Virginia)
- Seven Star Grange, No. 73
- Seven Stars Tavern (New Jersey)
- Sevenmile Bridge
- Seventeen Mile House
- Seventh Avenue Depot District
- Seventh Day Adventist Church (Petoskey, Michigan)
- Seventh Day Baptist Church (DeRuyter, New York)
- Seventh Day Baptist Church (Milton, Wisconsin)
- Seventh Street Commercial Historic District
- Seventh Street Improvement Arches
- Seventh Street Savings Bank
- Seventh Street–Black River Bridge
- Seventy-First Classical Middle School
- Sever Hall
- Severin Miller House
- Severs Block
- Severs Hotel (Muskogee, Oklahoma)
- Sevier County Courthouse (Tennessee)
- Sevier Ward Church
- Sevierville Commercial Historic District
- Seville Bridge
- Seville Theatre (Lower Merion Township, Pennsylvania)
- Sevona (shipwreck)
- Sevona Cabin
- Sewall Memorial Congregational Church
- Sewall-Scripture House
- Sewall–Ware House
- Seward County Courthouse (Nebraska)
- Seward Depot
- Seward Hotel
- Seward Mansion
- Seward Plantation
- Sewee Mound
- Sewickley Manor
- Sexton Hotel
- Seybold Baking Company Factory
- Seyfert Mill
- Seymour Church House
- Seymour Commercial Historic District
- Seymour High School (Connecticut)
- Seymour Krieger House
- Sgt. Alvin C. York State Historic Park
- Sgt. William H. Carney House
- Sgt. William Harlow Family Homestead
- Shaarai Torah Synagogue (Worcester, Massachusetts)
- Shaarei Tfiloh Synagogue
- Shaari Zedek Synagogue
- Shabbona Hotel
- Shack Mountain
- Shackelford County Courthouse Historic District
- Shackford Hall
- Shade Furnace Archaeological District
- Shade Gap Feed and Flour Mill
- Shade Swamp Shelter
- Shadelands Ranch
- Shadow Brook Farm Historic District
- Shadow Farm
- Shadow Lawn (Chase City, Virginia)
- Shadow Lawn (Lincolnton, North Carolina)
- Shadow Lawn (New Jersey)
- Shadow Lawn Historic District (Austin, Texas)
- Shadow Mountain Lookout
- Shadow Mountain Trail
- Shadowcliff
- Shadows-on-the-Teche
- Shadowwood
- Shadrach Lambeth House
- Shady Bend Gas Station, Grocery, and Diner
- Shady Brook Farm (Marlboro, New York)
- Shady Glen Road Stone Arch Bridge
- Shady Grove (Gladys, Virginia)
- Shady Grove Baptist Church
- Shady Grove Delmar Church and School
- Shady Grove Methodist Church and Cemetery
- Shady Grove Primitive Baptist Church
- Shady Grove School (Louisa County, Virginia)
- Shady Grove School (Pea Ridge, Arkansas)
- Shady Hill Historic District
- Shady Lake Recreation Area
- Shady Lea Historic District
- Shady Oaks
- Shady Point School
- Shady Rest Golf and Country Club
- Shadyside (Natchez, Mississippi)
- Shadyside Presbyterian Church
- Shafer Barn
- Shafer Building
- Shafer Round Barn
- Shafer's Grocery and Residence
- Shafer's Mill
- Shaffer's Bridge
- Shafter Research Station
- Shafter station (Atchison, Topeka and Santa Fe Railway)
- Shafter, Texas
- Shaftsbury Center, Vermont
- Shaheen-Goodfellow Weekend Cottage
- Shakamak State Park
- Shake Rag Historic District
- Shaker Farm
- Shaker Museum at South Union
- Shaker Village Historic District (Shaker Heights, Ohio)
- Shakespeare Garden (Evanston, Illinois)
- Shakespeare Hall
- Shakespeare, New Mexico
- Shakopee Historic District
- Shalango
- Shalawa Meadow
- Shallcross (Anchorage, Kentucky)
- Shambaugh House
- Shamrock Mills
- Shanaska Creek Bridge
- Shandy Hall (Ohio)
- Shaniko, Oregon
- Shannock Historic District
- Shannon Cemetery
- Shannon-Williamson Ranch
- Shannondale Springs
- Shantz Button Factory
- Shapira Hotel
- Shapley Town House
- Shapre-Monte House
- Shard Villa
- Shark River Slough Archeological District
- Sharlot Hall Museum
- Sharon Cemetery Historic District
- Sharon Downtown Historic District
- Sharon Historic District (Sharon, Connecticut)
- Sharon Historic District (Sharon, Massachusetts)
- Sharon House (Winchester, Massachusetts)
- Sharon Indian School
- Sharon Lodge No. 28 IOOF
- Sharon Lutheran Church and Cemetery
- Sharon Methodist Episcopal Church
- Sharon Springs Historic District
- Sharon Valley Historic District
- Sharp Brothers House
- Sharp Burial Ground
- Sharp Farmhouse
- Sharp Street Memorial United Methodist Church and Community House
- Sharp's Oakland
- Sharp-Page House
- Sharpe Homestead and Cemetery
- Sharpe's Trout Hatchery Site
- Sharpenstine Farmstead
- Sharpe–Gentry Farm
- Sharples Homestead
- Sharples Separator Works
- Sharpless Homestead
- Sharps Creek site
- Sharps Island Light
- Sharpsburg Historic District
- Shasta, California
- Shattuck House
- Shattuck-Saint Mary's
- Shavano Valley Rock Art Site
- Shaver Rental Houses District
- Shaver–Bilyeu House
- Shaw (Washington, D.C.)
- Shaw Bridge
- Shaw Family Farms
- Shaw Farm (Bayfield County, Wisconsin)
- Shaw Farm (Ross, Ohio)
- Shaw Hall
- Shaw Historic District, Doylestown, Pennsylvania
- Shaw House (Fairmont, West Virginia)
- Shaw House (Ferndale, California)
- Shaw House (Shawboro, North Carolina)
- Shaw House (Southern Pines, North Carolina)
- Shaw Junior High School
- Shaw Mansion (Barton, Maryland)
- Shaw Mansion (New London, Connecticut)
- Shaw-Cude House
- Shaw-Van Gilder House
- Shawano Post Office
- Shawen Acres
- Shawmut Diner
- Shawmut Historic District
- Shawn-Guerin House
- Shawnee Friends Mission
- Shawnee Hotel
- Shawnee Lookout Archeological District
- Shawnee Methodist Mission
- Shawnee Old Fields Village Site
- Shawnee Street Overpass
- Shawnee, Colorado
- Shawnee-Minisink Site
- Shawneetown Bank State Historic Site
- Shawsheen Cemetery
- Shawsheen Village Historic District
- Shawsville Historic District
- Shaw–Dumble House
- Shaw–Hammons House
- Shay Building
- Shay Hexagon House
- Shay Locomotive (Cadillac, Michigan)
- Shay's Warehouse and Stable
- Shea High School
- Shea Site
- Shea Terrace Elementary School
- Shea's Performing Arts Center
- Sheads House
- Sheard's Mill Covered Bridge
- Shearer and Corser Double House
- Shearer's Covered Bridge
- Shearwater (schooner)
- Sheboygan County Courthouse
- Sheboygan Indian Mound Park
- Sheboygan Light, Power and Railway Company Car 26
- Sheboygan Municipal Auditorium and Armory
- Shedd Aquarium
- Shedd Park Fieldhouse
- Shedd-Dunn House
- Shedd-Porter Memorial Library
- Sheedy Mansion
- Sheehan House
- Sheeks House
- Sheeks–Robertson House
- Sheely Bridge
- Sheep Mountain Range Archeological District
- Sheep Ranch Fortified House
- Sheepscot Historic District
- Sheets Site
- Sheffield Apartments
- Sheffield Center Historic District
- Sheffield Downtown Commercial Historic District
- Sheffield Farms Stable
- Sheffield Historic District
- Sheffield House
- Sheffield Inn
- Sheffield Island Light
- Sheffield Plain Historic District
- Sheffield Residential Historic District
- Sheffield Street Bridge
- Shelbridge
- Shelburn station
- Shelburne Falls, Massachusetts
- Shelburne Farms
- Shelburne Free Public Library
- Shelburne Hotel (Atlantic City)
- Shelburne Playhouse
- Shelburne Village Historic District
- Shelby Bend Archeological District
- Shelby Consolidated School
- Shelby Cotton Mill
- Shelby County Courthouse (Indiana)
- Shelby County Courthouse (Iowa)
- Shelby County Public Library
- Shelby Family Houses
- Shelby House (Botkins, Ohio)
- Shelby Place Historic District
- Shelby Town Hall
- Shelbyville Commercial Historic District
- Shelbyville Courthouse Square Historic District
- Shelbyville High School
- Shelbyville Historic District
- Shelby–Nicholson–Schindler House
- Sheldahl First Norwegian Evangelical Lutheran Church
- Shelden Avenue Historic District
- Shelden-Dee Block
- Sheldon Boright House
- Sheldon Cobblestone House
- Sheldon Farmhouse
- Sheldon Hall (Oswego, New York)
- Sheldon Heath House
- Sheldon House
- Sheldon Inn
- Sheldon Jackson College
- Sheldon Museum of Art
- Sheldon Theatre
- Sheldon–Owens Farm
- Shell Bluff Landing
- Shell Building (St. Louis)
- Shell Castle
- Shell Gas Station (La Grange, California)
- Shell Oil Company "Spectacular" Sign
- Shell Rock Bridge
- Shell Service Station (Winston-Salem, North Carolina)
- Shelley House (Madison, Connecticut)
- Shelley House (St. Louis, Missouri)
- Shelley-Tipton House
- Shellman Historic District
- Shellsburg Bridge
- Shelly Archeological District
- Shelly School
- Shelter House
- Shelter Island Country Club
- Shelter Island Heights Historic District
- Shelter Island Windmill
- Sheltering Arms Hospital (Athens, Ohio)
- Shelton House (Raymond, Mississippi)
- Shelton House (Waynesville, North Carolina)
- Shelton McMurphey Johnson House
- Shelton Plantation House
- Shelton-Lockeby House
- Shelton-Rich Farmstead
- Shemuel Kearney House
- Shenandoah County Courthouse
- Shenandoah County Farm
- Shenandoah Historic District
- Shenandoah Land and Improvement Company Office
- Shenandoah Plaza National Historic District
- Shenandoah-Dives Mill
- Shenks Ferry Site (36LA2)
- Shepard Block
- Shepard Company Building
- Shepard Hill Historic District
- Shepard Settlement Cemetery
- Shepard Street–South Road Street Historic District
- Shepard and Emma Farnsworth House
- Shepherd Brooks Estate
- Shepherd Building (Montgomery, Alabama)
- Shepherd Hall
- Shepherd's Delight
- Shepherd's Mill
- Shepherd's Plain
- Shepherdstown Historic District
- Sheppard Cottage
- Sheppard and Enoch Pratt Hospital
- Sherborn Center Historic District
- Sherbrook Apartments (Syracuse, New York)
- Sherburne High School
- Sherburne Historic District
- Sherburne Ranger Station Historic District
- Sheridan Apartments (Houston)
- Sheridan County Courthouse (Nebraska)
- Sheridan County Courthouse (North Dakota)
- Sheridan County Courthouse (Wyoming)
- Sheridan County Fairgrounds Historic District
- Sheridan Downtown Commercial Historic District
- Sheridan Flouring Mills, Inc.
- Sheridan Inn
- Sheridan Main Street Historic District
- Sheridan Park Historic District
- Sheridan Plaza Hotel
- Sheridan Railroad Historic District
- Sheridan Reserve Center
- Sheridan Square Apartments
- Sheriff Mill Complex
- Sheriff Stephen Wiley Brewer Farmstead
- Sheriff William Joseph Nesbitt House
- Sherlock Building
- Sherman Apartments Historic District
- Sherman Arcade
- Sherman Avenue Historic District
- Sherman Bates House
- Sherman Building (Corpus Christi, Texas)
- Sherman Building (Sullivan, Indiana)
- Sherman City Union Church
- Sherman County Courthouse (Nebraska)
- Sherman County Courthouse (Oregon)
- Sherman Farm (Pittstown, New York)
- Sherman Free Library
- Sherman Hall (Western Illinois University)
- Sherman Hill Historic District
- Sherman Historic District (Sherman, Connecticut)
- Sherman House (Alma, Wisconsin)
- Sherman House (Glens Falls, New York)
- Sherman Indian High School
- Sherman Mound and Village
- Sherman Nursery Company Historic District
- Sherman Park
- Sherman Street Event Center
- Sherman Tavern
- Sherman Williams House and Fruit Barn
- Sherman and Merlene Bates House
- Sherrard Banking Company
- Sherrill Mount House
- Sherrill United Methodist Church
- Sherrill's Inn
- Sherrod Farm
- Sherrod Park
- Sherwood Equal Rights Historic District
- Sherwood Family Estate
- Sherwood Forest Plantation
- Sherwood Green House
- Sherwood House (Yonkers, New York)
- Sherwood Lodge
- Sherwood Manor (St. Michaels, Maryland)
- Sherwood Point Light
- Sherwood Ranch Pueblo
- Sherwood-Jayne House
- Shiawassee County Courthouse
- Shiawassee Street School
- Shield's Crossing
- Shields Woolen Mill
- Shields' Mill Covered Bridge
- Shields' Station
- Shilling Avenue Historic District
- Shilling–Lamb House
- Shiloh Baptist Church (Cleveland, Ohio)
- Shiloh Baptist Church (Columbus, Ohio)
- Shiloh Baptist Church (Old Site)
- Shiloh Church (Newport, Rhode Island)
- Shiloh Church (Springdale, Arkansas)
- Shiloh College
- Shiloh Historic District
- Shiloh House (Benton Harbor, Michigan)
- Shiloh House (Sulphur Springs, Arkansas)
- Shiloh House (Zion, Illinois)
- Shiloh Indian Mounds Site
- Shiloh Meeting House and Cemetery
- Shiloh Methodist Church
- Shiloh Missionary Baptist Church and Rosenwald School
- Shiloh National Military Park
- Shiloh Orphanage
- Shiloh Presbyterian Church Cemetery
- Shiloh Primitive Baptist Church
- Shiloh School
- Shiloh Temple
- Shiloh-Marion Baptist Church and Cemetery
- Shimanek Bridge
- Shingleside
- Shinn Covered Bridge
- Shinnecock Hills Golf Club
- Shinnston Historic District
- Ship Inn
- Ship John Shoal Light
- Shipley Run Historic District
- Shippen House
- Shippen Manor
- Shippensburg Historic District
- Shippensburg University of Pennsylvania
- Shirk-Edwards House
- Shirley Center Historic District
- Shirley Field (Tallulah, Louisiana)
- Shirley Hall
- Shirley Hills Historic District
- Shirley Hotel
- Shirley Opera House
- Shirley Plantation
- Shirley Shaker Village
- Shirley Village Historic District
- Shirley–Eustis House
- Shivar Springs Bottling Company Cisterns
- Shivers-Simpson House
- Shlenker House
- Shoaf Historic District
- Shoal Creek Church
- Shoal Creek Club
- Shobe-Morrison House
- Shockoe Bottom
- Shockoe Hill Burying Ground Historic District
- Shockoe Hill Cemetery
- Shockoe Slip
- Shoe Shop–Doucette Ten Footer
- Shoemaker Covered Bridge
- Shoemaker III Village Site
- Shoemaker–Houck Farm
- Shofner's Lutheran Chapel
- Shohola Glen Hotel
- Shook-Vanzant Farm
- Shook-Welch-Smathers House
- Shoop Building
- Shoop Site (36DA20)
- Shopiere Congregational Church
- Shoppach House
- Shore Acres (Lamoine Beach, Maine)
- Shore Cottage (Head of the Harbor, New York)
- Shore Farm
- Shore Line Electric Railway
- Shore Line Trolley Museum
- Shore Road Historic District
- Shoreborne Wilson House
- Shoreby Hill Historic District
- Shoreham Congregational Church
- Shoreland Arcade
- Shoreland Hotel
- Shoreline Apartments
- Shores Warehouse
- Shores-Mueller Company
- Shorewood Historic District
- Shorewood Village Hall
- Short Beach
- Short Bridge
- Short Hills Park Historic District
- Short Homestead
- Short Mountain Creek Bridge
- Short North Historic District
- Short Woods Park Mound
- Short's Hotel
- Short's Landing Hotel Complex
- Short's Tavern
- Short-Dodson House
- Shorter House (Crawford, New York)
- Shorter Mansion
- Shortridge High School
- Shortridge–Meridian Street Apartments Historic District
- Shorty Lovelace Historic District
- Shoshone-Episcopal Mission
- Shot Tower (Dubuque)
- Shotwell Hall, West Liberty State College
- Shoup Boarding House
- Shoup Building
- Shoup Rock Shelters
- Shove Memorial Chapel
- Shreiner Farm
- Shreveport Central Railroad Station
- Shreveport Fire Station No. 8
- Shreveport Municipal Memorial Auditorium
- Shreveport Waterworks Pumping Station
- Shrewsbury Church
- Shrewsbury Historic District (Shrewsbury, Massachusetts)
- Shrewsbury Historic District (Shrewsbury, Pennsylvania)
- Shrewsbury Railroad Station, Stewartstown Railroad
- Shrewsbury, New Jersey
- Shrine Auditorium and Expo Hall
- Shrine Building (Memphis, Tennessee)
- Shrine Church of St. Stanislaus
- Shrine of Our Lady of Sorrows
- Shrine of St. Anthony (Maryland)
- Shrine of the Black Madonna
- Shrine of the Holy Relics
- Shrine of the Immaculate Conception
- Shriner Peak Fire Lookout
- Shriner–Ketcham House
- Shriver Covered Bridge
- Shriver Farmstead
- Shriver House
- Shropshire House (Scott County, Kentucky)
- Shrum Mound
- Shuart-Van Orden Stone House
- Shubael Baxter House
- Shubel Smith House
- Shubert Theatre (Boston)
- Shubuta Baptist Church
- Shubuta Methodist Episcopal Church, South
- Shue House
- Shuford House
- Shuford–Hoover House
- Shull House
- Shultz-Funk Site
- Shumaker Naval Ammunition Depot
- Shumaker-Lewis House
- Shumway Block
- Shuping's Mill Complex
- Shushan Bridge
- Shute Octagon House
- Shute–Meierjurgen Farmstead
- Sibley County Courthouse and Sheriff's Residence and Jail
- Sibley Historic Site
- Sibley House (Detroit)
- Sibley State Park
- Sibley Triangle Building
- Sibley and Holmwood Candy Factory and Witkop and Holmes Headquarters
- Sibley's and James Store Historic District
- Sibley's, Lindsay and Curr Building
- Sibley–Corcoran House
- Sibley–Elmdorf Historic District
- Sickles Tavern
- Sid Hutcheson Building
- Sidaway Bridge
- Side Cut Metropark
- Sidewalk clock on Jamaica Avenue
- Sidna Allen House
- Sidney A. Hill House
- Sidney A. Umsted House
- Sidney Carnegie Library
- Sidney D. Miller Middle School
- Sidney H. Horner House
- Sidney Historic Business District
- Sidney Historic District
- Sidney Lanier Cottage
- Sidney Martin House
- Sidney Park Colored Methodist Episcopal Church
- Sidney R. Yates Federal Building
- Sidney Walnut Avenue Historic District
- Sidney Waterworks and Electric Light Building
- Sidney White House
- Sidney and Ethel Grier House
- Sidwell Friends School
- Siebels' Department Store-Boyer Valley Bank
- Siege and Battle of Corinth Sites
- Siege of Yorktown (1862)
- Siegel's Department Store
- Siegfried's Dale Farm
- Siegmund and Marilyn Goldman House
- Siegrist's Mill Covered Bridge
- Siemer House
- Sierra (motor ship)
- Sierra Bonita Ranch
- Sierra County Sheriff's Gallows
- Sierra No. 3
- Sierraville School
- Sievers School
- Siggelkow Park Mound Group
- Sigma Alpha Epsilon Chapter House of Miami University
- Sigma Alpha Epsilon Fraternity House (Champaign, Illinois)
- Sigma Alpha Epsilon Fraternity House (Columbia, Missouri)
- Sigma Alpha Epsilon Fraternity House (Moscow, Idaho)
- Sigma Sigma–Delta Chi Fraternity House
- Sigmund Sternberger House
- Signal Butte
- Signal Hill (Culpeper, Virginia)
- Signal Hill (Prince William County, Virginia)
- Signer's House and Matthew Thornton Cemetery
- Sigourney Public Library
- Sigourney Square District
- Sigsbee (skipjack)
- Sikes House
- Sikeston station
- Silas A. Rice Log House
- Silas B. Moore Gristmill
- Silas Clapp House
- Silas Cox House
- Silas Dean House
- Silas Deane House
- Silas Ferrell House
- Silas Gardner House
- Silas Jacob N. Beeks House
- Silas L. Brown House
- Silas M. Clark House
- Silas Mumford Site
- Silas Owens Sr. House
- Silas P. Smith Opera House
- Silas Riggs House
- Silas Sammis House
- Silas Sherrill House
- Silas W. Kendall House
- Silas W. and Elizabeth Crane House
- Silas Williams House
- Silberstein Park Building
- Silcox Hut
- Siler City City Hall
- Siler City Commercial Historic District
- Siler City High School
- Siletz Agency Site
- Silk Covered Bridge
- Silk Stocking District (Talladega)
- Silk Street Bridge
- Silkman House
- Silkville, Kansas
- Sill Tenant House
- Silliman Institute
- Silliman Memorial Presbyterian Church
- Silo Point
- Siloam Baptist Church
- Siloam Cemetery
- Siloam Historic District
- Siloam School (Charlotte, North Carolina)
- Siloam School (Eastover, South Carolina)
- Siloam Springs City Park
- Siloam Springs Downtown Historic District
- Silva Bridge
- Silver Bay Association Complex
- Silver Bluff (Jackson, South Carolina)
- Silver Bow County Poor Farm Hospital
- Silver City Cemetery (Utah)
- Silver City Historic District (New Mexico)
- Silver City North Addition Historic District
- Silver City Water Works Building
- Silver City Woman's Club
- Silver City, Idaho
- Silver Creek Bridge
- Silver Creek Ranger Station
- Silver Falls State Park
- Silver Heel (log canoe)
- Silver Hill Historic District (Weston, Massachusetts)
- Silver Hill, Albuquerque
- Silver Houses Historic District
- Silver King Ranch
- Silver Lake Bank
- Silver Lake Dam
- Silver Lake District
- Silver Lake Farm
- Silver Lake Historic District (Silver Lake, Indiana)
- Silver Lake Institute Historic District
- Silver Mound Archeological District
- Silver Palm Schoolhouse
- Silver Row
- Silver Spring station (Baltimore and Ohio Railroad)
- Silver Springs (attraction)
- Silver State Flour Mill
- Silverbrook Methodist Church
- Silvermine, Connecticut
- Silvermont (Brevard, North Carolina)
- Silvernail Homestead
- Silversmith Hotel
- Silverton, Colorado
- Silverton, Oregon
- Sim Hudson Motor Company Building
- Sim Smith Covered Bridge
- Simcock House (Council Grove, Kansas)
- Simcock House (Swansea, Massachusetts)
- Simeon Alexander Jr. House
- Simeon B. Robbins House
- Simeon Babcock House
- Simeon Deming House
- Simeon Mills Historic District
- Simeon Mills House
- Simeon Moore House
- Simeon North Factory Site
- Simeon P. Smith House
- Simeon Rockefeller House
- Simeon Sage House
- Simeon Smith House (West Haven, Vermont)
- Simeon Smith Mansion
- Simeon Wagoner House
- Simerly-Butler House
- Simi Adobe–Strathearn House
- Simler Hall
- Simmons Block
- Simmons College of Kentucky
- Simmons Colored School
- Simmons Hardware Company Warehouse
- Simmons Island Beach House
- Simmons Ranch
- Simmons Stone House
- Simmons-Edwards House
- Simmons-Harth House
- Simmons–Sebrell–Camp House
- Simms Building
- Simms School Building
- Simon Abraham Duplex
- Simon B. Elliott State Park
- Simon Bamberger House
- Simon Benson House
- Simon Bouknight House
- Simon Brothers Company
- Simon Cameron House
- Simon Cameron House and Bank
- Simon Cameron School
- Simon E. Dow House
- Simon Gratz High School Mastery Charter
- Simon Kenton Memorial Bridge
- Simon Lillibridge Farm
- Simon Meredith House
- Simon Muhr Work Training School
- Simon P. Eggertsen Sr. House
- Simon Pickle Stone House
- Simon Plimpton Farmhouse
- Simon Pytlovany House
- Simon Reid Curtis House
- Simon Ritter Cobblestone Farmhouse
- Simon Sager Cabin
- Simon Tiffany House
- Simon Van Duyne House
- Simon Weldele House
- Simon and Mamie Minchen House
- Simonds Tavern
- Simons General Store
- Simons' Inn
- Simonson Farmstead
- Simpson Copple House
- Simpson County Courthouse (Kentucky)
- Simpson Creek Covered Bridge
- Simpson E. Jones House
- Simpson House (Newton, Massachusetts)
- Simpson Memorial United Methodist Church (Charleston, West Virginia)
- Simpson Memorial United Methodist Church (Greenville, Indiana)
- Simpson Street School
- Simpson Street station
- Simpson United Methodist Church
- Simpson's College
- Simpson's Grove
- Simpson-Breedlove House
- Simpsonville Christian Church
- Simpsonville Methodist Church
- Simpsonville Stone Arch Bridge
- Sims High School
- Sims House (Jackson, Mississippi)
- Sims-Garfield Ranch
- Simsbury Bank and Trust Company Building
- Simsbury Center Historic District
- Simsbury Townhouse
- Simsbury station
- Sinclair Lewis Boyhood Home
- Sinclair Loading Rack
- Sinclair Service Station (Ridgeland, South Carolina)
- Sinclair Service Station (Spring Hill, Florida)
- Sinclair Service Station (Tulsa, Oklahoma)
- Sinclair, Rooney & Co. Building
- Singer Building (Chicago)
- Singer Building (Pasadena, California)
- Singer Manufacturing–South Bend Lathe Co. Historic District
- Singer Sewing Company Building
- Singers Glen Historic District
- Single Brothers' House
- Singletary-Reese-Robinson House
- Singleton Family Cemetery
- Singleton House (Eatonton, Georgia)
- Singleton's Graveyard
- Singsaas Lutheran Church
- Sink-Crumb Post No. 72 American Legion Hut
- Sinking Springs Farms
- Sinnett Octagon House
- Sinnissippi Mounds
- Sinnott Memorial Observation Station
- Sion Hill
- Sion Hill, U.S. Virgin Islands
- Sioux City Central High School and Central Annex
- Sioux City Fire Station Number 3
- Sioux City Free Public Library
- Sioux City Linseed Oil Works
- Sioux City Masonic Temple
- Sioux City Municipal Auditorium
- Sioux City Public Library (Smith Villa Branch)
- Sioux City Public Library-North Side Branch
- Sioux County Courthouse (Iowa)
- Sioux County Courthouse (Nebraska)
- Sioux Falls Light and Power Hydro Electric Plant
- Sioux Falls National Bank
- Sioux Falls station (Illinois Central Railroad)
- Sioux Falls station (Rock Island Line)
- Sioux Ordnance Depot Fire & Guard Headquarters
- Sioux Theatre
- Sipperly-Lown Farmhouse
- Sipple House
- Sir Alfred T. Goshorn House
- Sir Walter Hotel
- Sisseton Carnegie Library
- Sisson's Peony Gardens
- Sisson-South Whitney Historic District
- Sisterdale, Texas
- Sisters High School (historic)
- Sisters of St. Dominic Motherhouse Complex
- Sistersville City Hall
- Sistersville Historic District
- Site 44GL103, Quest End
- Site AS-31-72
- Site No. JF00-072
- Site No. RH00-062
- Site Summit
- Site of Ferdinand Branstetter Post No. 1, American Legion
- Site of Old Hannastown
- Sites Homestead
- Sites House
- Sitgreaves House
- Sitka National Cemetery
- Sitka National Historical Park
- Sitka Naval Operating Base and U.S. Army Coastal Defenses
- Sitka Pioneer Home
- Sitka Spruce Park
- Sitka United States Post Office and Court House
- Sitting Bull Crystal Cavern Dance Pavilion
- Sitting Bull Monument
- Siuslaw River Bridge
- Six Mile Creek Stage Station Historic District
- Six Mile Run Reformed Church
- Six Mile Run, New Jersey
- Six Moon Hill
- Six Principle Baptist Church
- Sixes Hotel
- Sixteen Mile District
- Sixteenth Street Historic District
- Sixth Church of Christ, Scientist (Milwaukee, Wisconsin)
- Sixth Mount Zion Baptist Church
- Sixth Naval District Training Aids Library
- Sixth Street (Austin, Texas)
- Sixth Street Bridge (Grand Rapids, Michigan)
- Sixth Street School
- Sixth and Forest Historic District
- Sixth, Seventh, and Tenth Street Stone Arch Bridges
- Skagit River Hydroelectric Project
- Skagway Historic District and White Pass
- Skamokawa, Washington
- Skaneateles Historic District
- Skarsbo Apartments
- Skattaboe Block
- Skee's Diner
- Skeen's Mill Covered Bridge
- Skegemog Point Site
- Skeleton Cave (Arizona)
- Skene Manor
- Skene Memorial Library
- Skew Arch Bridge (Reading, Pennsylvania)
- Skewarkey Primitive Baptist Church
- Ski Lift No. 1
- Skidoo, California
- Skiffes Creek Sand Spit Site
- Skillern House
- Skillings Estate House
- Skillman House
- Skilton Road Bridge
- Skinner Building (Albuquerque, New Mexico)
- Skinner Building (Seattle)
- Skinner Memorial Chapel
- Skinner Tavern
- Skinner-Tinkham House
- Skinners Falls–Milanville Bridge
- Skinnerville–Greenville Heights Historic District
- Skinny House (Mamaroneck, New York)
- Skippack Bridge
- Skipwith Hall
- Skipworth's Addition
- Skirvin Hilton Hotel
- Skowhegan Fire Station
- Skowhegan Free Public Library
- Skowhegan Historic District
- Skull Creek (Beaufort County, South Carolina)
- Skullyville County Jail
- Skumsrud Heritage Farm
- Skunk River Bridge
- Sky Meadows State Park
- Sky Park Manor
- Skykomish station
- Skyland Camp-Bowman Lake Ranger Station
- Skylands (estate)
- Skyline Commissary
- Skyline Drive
- Slabsides
- Slack Farmstead
- Slack–Comstock–Marshall Farm
- Slade Hotel
- Slagle-Byers House
- Slana Roadhouse
- Slash Church
- Slate Covered Bridge
- Slate Creek Bridge
- Slate Hill Cemetery
- Slate House (Brownville, Maine)
- Slate Mountain Presbyterian Church and Cemetery
- Slate Quarry Road Dutch Barn
- Slate Ridge School
- Slaten-LaMarsh House
- Slater Building (Worcester, Massachusetts)
- Slater Cigar Company buildings
- Slater Library
- Slater Mill
- Slater Park
- Slatersville, Rhode Island
- Slatington Historic District
- Slatten House
- Slaughter House Covered Bridge
- Slaughter–Hill House
- Slaughter–Hill Ranch
- Slave Houses, Gregg Plantation
- Slaven's Cabin
- Slayton Farms-Round Barn
- Slayton Mercantile Co.
- Slayton–Morgan Historic District
- Sledge-Hayley House
- Sleeping Bear Inn
- Sleeping Bear Point Life Saving Station
- Sleeping Buffalo Rock
- Sleeping Giant (Connecticut)
- Sleepy Hollow Archeological Site
- Sleepy Hollow Cemetery
- Sleepy Hollow Cemetery (Concord, Massachusetts)
- Sleepy Hollow Farm
- Sleepy Hollow Hall
- Sleeth Site
- Slickville Historic District
- Slide Lake-Otatso Creek Patrol Cabin and Woodshed
- Slide Rock State Park
- Slidell station
- Slifer House
- Sligh Furniture Company Building
- Sliker Cobblestone House
- Slinde Mounds State Preserve
- Slingerlands Historic District
- Slip Point Light
- Sloan Canyon National Conservation Area
- Sloan Cottage
- Sloan House (Prescott, Arizona)
- Sloan-Raymond-Fitch House
- Sloan–Parker House
- Sloan–Throneburg Farm
- Sloat House
- Sloat's Dam and Mill Pond
- Sloat-Horn-Rossell House
- Slob Historic District
- Slocum House (Vancouver, Washington)
- Slocum and Hannah Howland House
- Sloop Point
- Sloper-Wesoly House
- Sloppy Joe's
- Sloss Furnaces
- Slovenski Dom
- Slover-Bradham House
- Slowe-Burrill House
- Sludge Press House, Fields Point Sewage Treatment Plant
- Slusser-Ryan Farm
- Smackover Historic Commercial District
- Smaine–Ortiz House
- Small House (Macon, Georgia)
- Small Point Club
- Smallpox Hospital
- Small–Towle House
- Smaltz Building
- Smedley Elementary School
- Smeede Hotel
- Smiley Park Historic District
- Smith Alumnae Gymnasium
- Smith Apartments
- Smith Bly House
- Smith Building (Parkersburg, West Virginia)
- Smith Carriage Company District
- Smith Chapel (Durham, New Hampshire)
- Smith Clinic
- Smith Clove Meetinghouse
- Smith Cottage
- Smith County Courthouse (Tennessee)
- Smith Covered Bridge
- Smith Estate (Los Angeles)
- Smith Estate (Ridge, New York)
- Smith Family Farmstead
- Smith Farm (Atlanta)
- Smith Farmhouse (Lake City, Iowa)
- Smith Farmhouse (Pasquo, Tennessee)
- Smith Field (Indiana)
- Smith Flats
- Smith H. Barlow House
- Smith Hill Historic District
- Smith Hill Library-Providence Community Library
- Smith Hospital
- Smith Hotel-Cornelius Hotel
- Smith House (Bentonville, Arkansas)
- Smith House (Ipswich, Massachusetts)
- Smith House (Searcy, Arkansas)
- Smith House (Vassar, Michigan)
- Smith House (Wheatley, Arkansas)
- Smith Island Light
- Smith Mansion
- Smith McLoud House
- Smith Meeting House
- Smith Metropolitan AME Zion Church
- Smith Mine Historic District
- Smith Observatory and Dr. William R. Brooks House
- Smith Pagerie Site
- Smith Park Architectural District
- Smith Point Light
- Smith Ranch
- Smith Robertson Elementary School
- Smith Rock Shelter
- Smith Shoe Shop
- Smith Street Primary School
- Smith Tavern
- Smith Tobacco Barn
- Smith Warehouse
- Smith Wildman and Jennie (Hearne) Brookhart House
- Smith and Dow Block
- Smith's Building
- Smith's Castle
- Smith's Chapel
- Smith's Corner Historic District
- Smith's Fort Plantation
- Smith's Grain and Feed Store
- Smith's Irrigation Ditch
- Smith's Opera House
- Smith's Pharmacy
- Smith's Tavern
- Smith-Bontura-Evans House
- Smith-Cannon House
- Smith-Culhane House
- Smith-Duncan House and Eastman Barn
- Smith-Ely Mansion
- Smith-Giltinan House
- Smith-Larsen House
- Smith-Little-Mars House
- Smith-McCurry House
- Smith-McDowell House
- Smith-Nelson Hotel
- Smith-Peterson House
- Smith-Ransome Japanese Bridge
- Smith-Ripley House
- Smith-Rourke House
- Smith-Taylor Cabin
- Smith-Thaxter-Merrifield House
- Smith-Whitford House
- Smith-Williams-Durham Boarding House
- Smithfield (Blacksburg, Virginia)
- Smithfield (Rosedale, Virginia)
- Smithfield Exchange Bank
- Smithfield Farm
- Smithfield Friends Meeting House, Parsonage and Cemetery
- Smithfield Historic District (Virginia)
- Smithfield Masonic Lodge
- Smithfield Plantation (Port Allen, Louisiana)
- Smithfield Presbyterian Church (Amenia, New York)
- Smithfield Public Library
- Smithfield Road Historic District
- Smithfield Street Bridge
- Smithfield Tabernacle
- Smithfield Tithing Office
- Smithland (Natchez, Mississippi)
- Smithland Farm
- Smithonia, Georgia
- Smiths Grove Baptist Church
- Smiths Grove Presbyterian Church
- Smithson and McKay Brothers Blocks
- Smithsonian Institution Building
- Smithsonian Institution Shelter
- Smithson–McCall Farm
- Smithville Apothecary
- Smithville Public School Building
- Smithville Seminary
- Smithville Valley Grange No. 1397
- Smithville, Burlington County, New Jersey
- Smithwick's Creek Primitive Baptist Church
- Smith–Appleby House
- Smith–Ballou House
- Smith–Dengler House
- Smith–Elisha House
- Smith–Emery House
- Smith–Harris House (East Lyme, Connecticut)
- Smith–Jessup House
- Smith–Johnson House
- Smith–Lyon Farmhouse
- Smith–Marcuse–Lowry House
- Smith–Mason Farm
- Smith–Turner House
- Smock Historic District
- Smoketown School
- Smoketown, Louisville
- Smoky Hollow Historic District
- Smoky Valley Roller Mills
- Smoot Dairy Farmhouse
- Smoot Theater
- Smuggler Cove Shell Midden
- Smuggler Mine
- Smuggler's House
- Smuggler-Union Hydroelectric Power Plant
- Smulekoffs Furniture Store
- Smyrna Baptist Church
- Smyrna Elementary School
- Smyrna Historic District
- Smyrna Methodist Church
- Smyrna Town Hall-Opera House
- Smyser and English Pharmacy
- Smyth County Community Hospital
- Smyth Public Library
- Smyth Tower
- Smyth Young Field Company Building
- Snake Alley (Burlington, Iowa)
- Snake Alley Historic District
- Snake Creek Farm Historic District
- Snake River Archaeological Site
- Snake River Bridge
- Snake River Land Company Residence and Office
- Snake River Ranch
- Snake River Trading Post
- Snapp House (Fishers Hill, Virginia)
- Snead Mound
- Snead State Community College
- Snell Arcade
- Snellenburg's Clothing Factory
- Snells Bush Church and Cemetery
- Snell–Hitchcock
- Snelson-Brinker House
- Snicker's Gap Turnpike
- Snider Bridge
- Snider Hall
- Sniffen Court Historic District
- Snipes–Fox House
- Snively Farm
- Snodgrass Tavern
- Snogo Snow Plow
- Snohomish County Courthouse
- Snohomish, Washington
- Snoke Farmstead
- Snoma Finnish Cemetery
- Snook House
- Snooks Covered Bridge
- Snoqualmie Falls
- Snoqualmie Falls Hydroelectric Plant
- Snow Camp Mutual Telephone Exchange Building
- Snow Creek Methodist Church and Burying Ground
- Snow Fountain and Clock
- Snow Hill (Gwaltney Corner, Virginia)
- Snow Hill (Laurel, Maryland)
- Snow Hill (Little Rock, Kentucky)
- Snow Hill Colored High School
- Snow Hill Covered Bridge
- Snow Hill Historic District
- Snow Hill Normal and Industrial Institute
- Snow Hill Site
- Snow School
- Snow Train Rolling Stock
- Snow's Island
- Snowbird Mountain Lodge
- Snowden House
- Snowland (Leipsic, Delaware)
- Snowville Christian Church
- Snowville Historic District
- Snowy Mountain Fire Observation Station
- Snowy Range Lodge
- Snyder Covered Bridge No. 17
- Snyder Estate Natural Cement Historic District
- Snyder Guard Station Historical District
- Snyder House (Kalispell, Montana)
- Snyder House (Little Rock, Arkansas)
- Snyder Memorial Methodist Episcopal Church
- Snyder Memorial Museum and Creative Arts Center
- Snyder Mill
- Snyderville Schoolhouse
- SoHo, Manhattan
- Soap Creek School
- Soapstone Ridge
- Socastee Historic District
- Social Circle Historic District
- Social Service Building
- Socialist Hall
- Socialist Labor Party Hall
- Society Hill
- Society Hill Historic District (Portage, Wisconsin)
- Society for Savings Building
- Society for the Lying-In Hospital
- Society of Friends Hall
- Society of the Congregational Church of Great Barrington
- Socorro Mission
- Socrates A. Myers House
- Sod House (Cleo Springs, Oklahoma)
- Sod House Ranch
- Soda Springs Cabin
- Soda Springs City Hall
- Sodality Chapel
- Sodom Mill Historic and Archeological District
- Sodom Schoolhouse
- Sodus Point Light
- Sohmer and Company Piano Factory
- Soho Cottage
- Sojourner Truth Project
- Sojourners Club
- Sokehs Mass Grave Site
- Sokol Gymnasium
- Sokol Pavilion
- Sol Akins Farm
- Solar Building
- Solar Hill Historic District
- Soldier Creek Kilns
- Soldier's Joy (house)
- Soldier's Monument (Byron, Illinois)
- Soldier's Rest
- Soldiers Memorial Library
- Soldiers and McKinley Memorial Parkways
- Soldiers and Sailors Memorial Auditorium
- Soldiers and Sailors Memorial Building (West Newbury, Massachusetts)
- Soldiers and Sailors Memorial Coliseum
- Soldiers and Sailors Memorial Gymnasium
- Soldiers and Sailors Memorial Hall and Museum
- Soldiers and Sailors Monument (Lancaster, Pennsylvania)
- Soldiers' Home Historic District
- Soldiers' Home Reef
- Soldiers' Memorial Library
- Soldiers' Memorial Tower
- Soldiers' Monument (Freeport, Illinois)
- Soldiers' and Sailors' Monument (Indianapolis)
- Soldotna Post Office
- Solitude (Blacksburg, Virginia)
- Solitude Farm
- Solitude Plantation House
- Soliz-Baca House
- Solla-Carcaba Cigar Factory
- Sollner-Wall House
- Soloman Levy House
- Solomon Arter House
- Solomon Enclave
- Solomon Fowler Mansion
- Solomon Gans House
- Solomon Goffe House
- Solomon Goodrich Homestead
- Solomon Grove Smith–Hughes Building
- Solomon House (Philadelphia, Pennsylvania)
- Solomon Kimball House (Wenham, Massachusetts)
- Solomon Neill Brooks House
- Solomon Nightengale House
- Solomon Piper Farm
- Solomon R. Guggenheim Museum
- Solomon Roadhouse
- Solomon Rockwell House
- Solomon S. Curry House
- Solomon Tyler House
- Solomon Weaver House
- Solomon Wesley United Methodist Church
- Solomon Wilson Building
- Solomon and Henry Weil Houses
- Solomon and Kate Williams Jr. House
- Solomon-Smith-Martin House
- Solon Dogget House
- Solon and Mathilda Sutliff House
- Solvay Public Library
- Sombrero Key Light
- Somers Hamlet Historic District
- Somers Historic District
- Somers Mansion
- Somers Point, New Jersey
- Somerset (Powhatan, Virginia)
- Somerset Academy (Athens, Maine)
- Somerset Academy Archaeological Site
- Somerset Apartments
- Somerset Christian Church
- Somerset County Courthouse (Maine)
- Somerset County Courthouse (New Jersey)
- Somerset County Courthouse (Pennsylvania)
- Somerset Downtown Commercial District
- Somerset Hotel
- Somerset Place
- Somerset Roller Mills
- Somerset Village Historic District
- Somersville Historic District
- Somerton Historic District
- Somerville (Kenton, Delaware)
- Somerville Barn
- Somerville City Hall
- Somerville Courthouse
- Somerville Historic District
- Somerville Journal Building
- Somerville Theatre
- Somesville, Maine
- Sommerer House (South Bend, Indiana)
- Sommerheim Park Archaeological District
- Sommers Ranch Headquarters Historic District
- Son's Chapel
- Sonestown Covered Bridge
- Songo Lock
- Sonneborn Building
- Sonnenberg Gardens
- Sonner Hall
- Sonoma Depot
- Sonoma Developmental Center
- Sonoma Plaza
- Sons of Italy Hall
- Sons of Jacob Cemetery
- Sons of Jacob Synagogue
- Sons of Norway Hall
- Sons of San Patricio Monument
- Soo Hotel
- Soo Line 2719
- Soo Line Building
- Soo Line High Bridge
- Soo Line Railroad Bridge
- Soo Locks
- Sopchoppy School
- Sopchoppy station
- Sope Creek Ruins
- Sophia Historic District
- Sophia Sweetland House
- Sophia's Dairy
- Sophie May House
- Soren Hanson House
- Soren Simonsen House
- Sorenson House
- Sorlie Memorial Bridge
- Sorrento Hotel
- Sorrento Library
- Sosa–Carrillo–Fremont House
- Sosnik-Morris-Early Commercial Block
- Sotcher Farmhouse
- Sotterley (Hollywood, Maryland)
- Soule Canal
- Soulsby Service Station
- Sound 80
- Soundview Manor
- Sourdough Inn
- Sourdough Mountain Lookout
- South 9th Street Historic District
- South Amherst Common Historic District
- South Ann Street–Mill Street Historic District
- South Aspen Street Historic District
- South Avenue Commercial Historic District
- South Bartow Residential District
- South Bass Island Light
- South Bay Mill
- South Beach Street Historic District
- South Bend Brewing Association
- South Bend City Cemetery
- South Bend Remedy Company Building
- South Berkeley Community Church
- South Berrien Center Union Church and Cemetery
- South Berwick Village Historic District
- South Bethlehem Downtown Historic District
- South Bluefield Historic District
- South Boise Fire Station
- South Boise Historic Mining District
- South Bonnie Brae Tract Historic District
- South Boston Boat Clubs Historic District
- South Boston Historic District
- South Boston Naval Annex
- South Bottoms Historic District
- South Boulevard–Park Row Historic District
- South Branch Schoolhouse
- South Branch, New Jersey
- South Brick House
- South Bridgton Congregational Church
- South Bristol Grange Hall 1107
- South Britain Historic District
- South Broad Street Historic District (Monroe, Georgia)
- South Broad Street Historic District (Rome, Georgia)
- South Broad Street Row
- South Broadway Neighborhood District
- South Broad–East Fifth Streets Historic District
- South Brook Farm
- South Brooksville Avenue Historic District
- South Buffalo North Side Light
- South Burying Ground
- South Bushwick Reformed Church
- South Camden
- South Camden Trust Company
- South Campus Neighborhood
- South Canaan Congregational Church
- South Candler Street–Agnes Scott College Historic District
- South Canon Bridge
- South Carolina Governor's Mansion
- South Carolina Highway 61
- South Carolina Memorial Garden
- South Carolina Railroad
- South Carolina School for the Deaf and the Blind
- South Carolina State Armory
- South Carolina State Arsenal
- South Carolina State College Historic District
- South Carolina State Hospital
- South Carolina State House
- South Carolina State Library
- South Carolina State Museum
- South Carolina Supreme Court
- South Carolina Western Railway Station (Darlington, South Carolina)
- South Center School House
- South Central Avenue Historic District
- South Central Falls Historic District
- South Central Historic District (Alexander City, Alabama)
- South Chappell Street Car Barn
- South Charles Town Historic District
- South Charter Street Historic District
- South Chatham Village Historic District
- South Cherry Street Historic District (Greenville, Kentucky)
- South Cherry Street Historic District (Vicksburg, Mississippi)
- South Chesapeake City Historic District
- South China Meeting House
- South Church Manse
- South Church Street Historic District (Lewisburg, West Virginia)
- South Cle Elum Yard
- South College
- South College Street Historic District (Covington, Tennessee)
- South Columbus Historic District
- South Common Historic District
- South Congregational Church (New Britain, Connecticut)
- South Congregational Church (Newport, New Hampshire)
- South Congregational Church (Springfield, Massachusetts)
- South Congregational Church, Chapel, Ladies Parlor, and Rectory
- South Coventry Historic District
- South Dakota Department of Transportation Bridge No. 03-327-230
- South Dakota Department of Transportation Bridge No. 63-016-150
- South Dakota Department of Transportation Bridge No. 63-052-030
- South Dakota Department of Transportation Bridge No. 63-132-040
- South Dakota Department of Transportation Bridge No. 63-160-056
- South Dakota Department of Transportation Bridge No. 63-197-130
- South Dakota Department of Transportation Bridge No. 63-198-181
- South Dakota Department of Transportation Bridge No. 63-210-282
- South Dakota Dept. of Transportation Bridge No. 16-570-054
- South Dakota Dept. of Transportation Bridge No. 20-153-210
- South Dakota Dept. of Transportation Bridge No. 30-257-400
- South Dakota Dept. of Transportation Bridge No. 48-244-204
- South Dakota Dept. of Transportation Bridge No. 49-095-190
- South Dakota Dept. of Transportation Bridge No. 56-090-096
- South Dakota School for the Blind
- South Dakota School for the Deaf
- South Dakota State Capitol
- South Dakota State Penitentiary
- South Danbury Christian Church
- South Dickason Boulevard Residential Historic District
- South East Street Historic District
- South Egremont Village Historic District
- South Eighth Street Historic District
- South Elementary School
- South End District
- South End Historic District (Bristol, Connecticut)
- South End of Stamford
- South End–Groesbeckville Historic District
- South Fallsburg Hebrew Association Synagogue
- South Finegayan Latte Stone Park
- South Florida Military College
- South Fork Bridge
- South Fork Fishing and Hunting Club
- South Fountain Avenue Historic District
- South Fourche LaFave River Bridge
- South Fourth Street Commercial Historic District
- South Fox Island Light
- South Frankfort Historic District
- South Franklin Street Historic District
- South Front Street Historic District
- South Fulton Churchhouse
- South Gilboa station
- South Glastonbury Historic District
- South Grade School Building
- South Granville Congregational Church
- South Green Historic District (Hartford, Connecticut)
- South Green Historic District (Ipswich, Massachusetts)
- South Greensboro Historic District
- South Hadley Canal
- South Hall (UC Berkeley)
- South Hall-River Falls State Normal School
- South Hamilton Street Row
- South Harper Historic District
- South Harwich Methodist Church
- South Haven Light
- South Henderson Church
- South Hero Inn
- South High Commercial Historic District
- South High School (Denver, Colorado)
- South Highlands Fire Station
- South Hingham Historic District
- South Holston Dam
- South Jacksonville Grammar School
- South Jefferson Avenue Historic District
- South Jersey Gas, Electric and Traction Company Office Building
- South Jordan Cemetery
- South Junior High School (Grand Forks, North Dakota)
- South King Street Historic District
- South Lafayette Street Creole Cottages
- South Lake Morton Historic District
- South Lancaster Engine House
- South LeRoy Meetinghouse
- South Lee Historic District
- South Liberty Courthouse Square Historic District
- South Lincoln Avenue Historic District
- South Londonderry Village Historic District
- South Loop Printing House District
- South Louisville Reformed Church
- South Madison Avenue-Pannell Road Historic District
- South Main Historic District (Bishopville, South Carolina)
- South Main Street Apartments Historic District
- South Main Street Commercial Historic District (Little Rock, Arkansas)
- South Main Street District (Middletown, Ohio)
- South Main Street Historic District (Coventry, Rhode Island)
- South Main Street Historic District (Fayette, Missouri)
- South Main Street Historic District (Fond du Lac, Wisconsin)
- South Main Street Historic District (Geneva, New York)
- South Main Street Historic District (Janesville, Wisconsin)
- South Main Street Historic District (Joplin, Missouri)
- South Main Street Historic District (Kernersville, North Carolina)
- South Main Street Historic District (Memphis, Tennessee)
- South Main Street Historic District (Mount Morris, New York)
- South Main Street Historic District (Oregon, Wisconsin)
- South Main Street Historic District (Watkinsville, Georgia)
- South Main Street Historic District (Woonsocket, Rhode Island)
- South Main Street Residential Historic District (Little Rock, Arkansas)
- South Main Street Residential Historic District (Statesboro, Georgia)
- South Main Street School
- South Main and South Elm Streets Historic District
- South Main and Washington Streets Historic District
- South Manitou Island Lighthouse
- South Marengo Historic District
- South Marion Street Parkway
- South Market Historic District
- South Market Street Historic District
- South Meetinghouse
- South Metter Residential Historic District
- South Michigan Avenue Historic District
- South Michigan Street Historic District
- South Middle Street Historic District
- South Middleborough Historic District
- South Milford Historic District
- South Milwaukee Passenger Station
- South Milwaukee Post Office
- South Monroe Street Historic District
- South Montreat Road Historic District
- South Mountain Concert Hall
- South Newbury Village Historic District
- South Newfane Bridge
- South Norfolk Historic District
- South Oakdale Historic District
- South Omaha Main Street Historic District
- South Orange Fire House
- South Orange Village Hall
- South Orange station
- South Otselic Historic District
- South Parish
- South Parish Congregational Church and Parish House
- South Park Blocks
- South Park Bridge
- South Park Calvary United Presbyterian Church
- South Park City
- South Park Community Church
- South Park Historic District (Dayton, Ohio)
- South Park Historic District (Morgantown, West Virginia)
- South Park Lofts
- South Park Manor Historic District
- South Pass (Wyoming)
- South Pass City, Wyoming
- South Perkasie Covered Bridge
- South Peterboro Street Commercial Historic District
- South Peterboro Street Residential Historic District
- South Platte River Bridge (Park County, Colorado)
- South Platte River Bridges
- South Pointe Drive–Frenchman's Creek Bridge
- South Portland Historic District
- South Prairie Community Hall
- South Presbyterian Church
- South Prospect Street Historic District
- South Providence Library-Providence Community Library
- South Puyallup River Bridge
- South Race Street Historic District
- South Railroad Historic District
- South Range Community Building
- South Reading Academy
- South Reading Schoolhouse
- South Ridgewood Elementary School
- South River Club
- South River Friends Meetinghouse
- South River Presbyterian Church
- South Road Bridge, Northern Central Railway
- South Rockfish Valley Rural Historic District
- South Round Valley School
- South Royalton Historic District
- South Salem Academy
- South Salem Covered Bridge
- South Salem Presbyterian Church Cemetery
- South Salina Street Downtown Historic District
- South Salina Street Historic District
- South San Francisco hillside sign
- South School (Shutesbury, Massachusetts)
- South School (Stoneham, Massachusetts)
- South School (Stoughton, Wisconsin)
- South School (Torrington, Connecticut)
- South School (Yellow Springs, Ohio)
- South Schraalenburgh Church
- South Scott Street Historic District
- South Serrano Avenue Historic District
- South Shore Bungalow Historic District
- South Shore Cultural Center
- South Side Baptist Church
- South Side Community Art Center
- South Side Fire Station No. 3
- South Side Flats
- South Side German Historic District
- South Side High School (Pittsburgh, Pennsylvania)
- South Side Market Building
- South Side Masonic Lodge No. 1114
- South Side School (Fort Lauderdale, Florida)
- South Side School (Geneseo, Illinois)
- South Side School (Sarasota, Florida)
- South Side Sportsmen's Club
- South Side Turnverein Hall
- South Sixth Street Historic District
- South Solon Meetinghouse
- South Spring Ranch
- South Starksboro Friends Meeting House and Cemetery
- South Station
- South Stone School House
- South Street Area Historic District
- South Street Bridge (Poultney, Vermont)
- South Street Historic District (Brockton, Massachusetts)
- South Street Historic District (Cuba, New York)
- South Street Historic District (Gorham, Maine)
- South Street Historic District (Kalamazoo, Michigan)
- South Street Historic District (Pawtucket, Rhode Island)
- South Street Seaport
- South Street Station
- South Street–South Church Street Historic District
- South Summit Street District
- South Superior Union Hall
- South Sutton Meeting House
- South Swansea Baptist Church
- South Temple Historic District
- South Tenth Street Bridge
- South Texas National Bank (Houston)
- South Third Street Historic District (Chipley, Florida)
- South Torrington station
- South Trade Street Houses
- South Tuckahoe Historic District
- South Tunbridge Methodist Episcopal Church
- South Union School
- South Union Shaker Center House and Preservatory
- South Union Street Courthouse and Commercial Historic District
- South Union Street Historic District (Burlington, Vermont)
- South Union Street Historic District (Concord, North Carolina)
- South Union Street–Boardman River Bridge
- South Unitarian Church
- South Village
- South Walnut Street Historic District (Edinburgh, Indiana)
- South Ward School (Bellefonte, Pennsylvania)
- South Ward School (Clearwater, Florida)
- South Washington Street Historic District (North Attleborough, Massachusetts)
- South Washington Street Historic District (Watertown, Wisconsin)
- South Washington Street Parabolic Bridge
- South Water Market
- South Water Street Historic District
- South Wayne Historic District (Fort Wayne, Indiana)
- South Wayne Historic District (Wayne, Pennsylvania)
- South Wedge Historic District
- South Wild Rice Church
- South Willard Street Historic District
- South Willington Historic District
- South Windham Village Historic District
- South Wolcott Street Historic District
- South Woodstock, Vermont
- South Worcester Branch Library
- South Worcester Historic District
- South Worthington Historic District
- South Yarmouth/Bass River Historic District
- Southall Drugs
- Southampton Baptist Church and Cemetery
- Southampton Center Historic District
- Southampton Village Historic District
- Southard Block
- Southborough Center Historic District
- Southbridge Town Hall
- Southbridge station
- Southbridge-Sargent Manufacturing District
- Southbury Historic District No. 1
- Southbury Training School
- Southdown Plantation
- Southeast Gainesville Residential District
- Southeast Missourian Building
- Southeast Neighborhood Library
- Southeast Steam Plant
- Southeast Water Trough
- Southeastern Holiness Institute
- Southeastern Louisiana University
- Southerland-Burnette House
- Southern Aid Society–Dunbar Theater Building
- Southern Albemarle Rural Historic District
- Southern Asbestos Company Mills
- Southern Bagging Company
- Southern Bell Telephone Company Building
- Southern Belting Company Building
- Southern Biscuit Company
- Southern Bleachery and Print Works
- Southern California Gas Company Complex
- Southern Cassadaga Spiritualist Camp Historic District
- Southern Christian Institute
- Southern Cotton Oil Company
- Southern Dairies
- Southern District Police Station
- Southern Hotel (Dolores, Colorado)
- Southern Hotel (El Reno, Oklahoma)
- Southern Hotel (Joliet, Montana)
- Southern Hotel (Llano, Texas)
- Southern Hotel (Perris, California)
- Southern Indiana Railroad Freighthouse
- Southern Mercantile Building
- Southern Methodist Church Building
- Southern Methodist Publishing House
- Southern New England Telephone Company Administration Building
- Southern New England Telephone Company Building
- Southern Ohio Lunatic Asylum
- Southern Pacific 1673
- Southern Pacific 745
- Southern Pacific Freight Depot (Yuma, Arizona)
- Southern Pacific Railroad Passenger Coach Car-S.P. X7
- Southern Pines Historic District
- Southern Railway 4501
- Southern Railway Company Overhead Bridge
- Southern Railway Depot (Decatur, Alabama)
- Southern Railway Depot (Piedmont, Alabama)
- Southern Railway Freight Office (New Orleans, Louisiana)
- Southern Railway Freight Station
- Southern Railway North Avenue Yards Historic District
- Southern Railway Spencer Shops
- Southern Seminary Main Building
- Southern Stove Works
- Southern Stove Works, Manchester
- Southern Terminal Redoubt
- Southern Terminal, Knoxville, Tennessee
- Southern Terminal, Susquehanna and Tidewater Canal
- Southern Thames Historic District
- Southern Trust Building
- Southern Union Gas Company Building
- Southern University Historic District
- Southern Vermont Arts Center
- Southern Vermont College
- Southfield Furnace Ruin
- Southgate–Lewis House
- Southington Center Historic District
- Southington Public Library
- Southmoor Apartment Hotel
- Southold Historic District
- Southport Beach House
- Southport Historic District (Fairfield, Connecticut)
- Southport Historic District (Southport, North Carolina)
- Southport station (Metro-North)
- Southside Historic District (Corning, New York)
- Southside Historic District (Racine, Wisconsin)
- Southside Historic District (Valdosta, Georgia)
- Southside School (Miami, Florida)
- Southside School (Reno, Nevada)
- Southsider Shelter
- Southview Housing Historic District
- Southwark School
- Southwark, Philadelphia
- Southwest Boundary Dike
- Southwest District School (Bloomfield, Connecticut)
- Southwest District School (Wolcott, Connecticut)
- Southwest Fifth St. Bridge
- Southwest Historic District (Roanoke, Virginia)
- Southwest Historic District (Waltons Store, North Carolina)
- Southwest Holly Springs Historic District
- Southwest Ledge Light
- Southwest Missouri Prehistoric Rock Shelter and Cave Sites Discontiguous Archeological District
- Southwest Mountains Rural Historic District
- Southwest Museum of the American Indian
- Southwest Reef Light
- Southwest Side Historic District
- Southwest Virginia Holiness Association Camp Meeting
- Southwest Virginia Museum Historical State Park
- Southwestern Assemblies of God University
- Southwestern Bell Main Dial Building
- Southwestern Bell Repeater Station-Wright City
- Southwestern Brewery and Ice Company
- Southwestern Proving Ground Building No. 129
- Southwestern Proving Ground Building No. 4
- Southwestern Proving Ground Building No. 5
- Southwestern Proving Ground Officers Quarters Historic District
- Southwestern Range and Sheep Breeding Laboratory Historic District
- Southwick House (Peabody, Massachusetts)
- Southwick-Harmon House
- Southwick–Daniels Farm
- Southwood Park Historic District
- Southwood Two-Teacher School
- Southworth House (Cleveland, Ohio)
- Southworth House (Dryden, New York)
- Southworth House (Greenwood, Mississippi)
- Southworth Library (Dryden, New York)
- South–McDaniel–Patton Commercial Historic District
- Sovereign Hotel (California)
- Sovereign Hotel (Portland, Oregon)
- Space Environment Simulation Laboratory
- Space Flight Operations Facility
- Space Shuttle Enterprise
- Spacecraft Magnetic Test Facility
- Spacecraft Propulsion Research Facility
- Spade Ranch (Nebraska)
- Spade Ranch Store
- Spalding Building
- Spalding County Courthouse
- Spalding Hall
- Spalding Memorial Library-Tioga Point Museum
- Spalding Power Plant and Dam
- Spangler–Benner Farm
- Spanish American War Monument to the 71st Infantry Regiment
- Spanish Apartments
- Spanish Coquina Quarries
- Spanish Dikes
- Spanish Fork High School Gymnasium
- Spanish Fort (New Orleans)
- Spanish Fort (Yap)
- Spanish Fort Site (Holly Bluff, Mississippi)
- Spanish Fort, Texas
- Spanish Governor's Palace
- Spanish Mount Point
- Spanish Town, Baton Rouge, Louisiana
- Spanish Wall
- Spanish missions in Texas
- Spann Methodist Church and Cemetery
- Spannuth Mill
- Sparkill Creek Drawbridge
- Sparkman–Skelley Farm
- Sparks Hall
- Sparks-Anderson House
- Sparre Barn
- Sparrow House (Portland, Maine)
- Sparta First Presbyterian Church
- Sparta Free Library
- Sparta Historic District (Sparta, Georgia)
- Sparta Historic District (Sparta, Illinois)
- Sparta Masonic Temple
- Sparta Rock House
- Spartanburg Historic District
- Spaulding Block
- Spaulding Bridge
- Spaulding House
- Spaulding Manufacturing Company
- Spaulding-Sidway Boathouse
- Spaunhorst and Mayn Building
- Speakman No. 1
- Speakman No. 2, Mary Ann Pyle Bridge
- Spear and Company Factory
- Spear-O-Wigwam Ranch
- Spearfish Filling Station
- Spears House (Concord, North Carolina)
- Spears House (Greenbrier, Arkansas)
- Speas Vinegar Company
- Special Troops Armory
- Spectacle Reef Light
- Speed Farm
- Speed Hall
- Speed Printing
- Speed the Plough (Monroe, Virginia)
- Speedway Historic District
- Speedway Terrace Historic District
- Speedwell Forge
- Speedwell Ironworks
- Speer Boulevard
- Speight House and Cotton Gin
- Speight-Bynum House
- Speigle House
- Spell House (Titusville, Florida)
- Spellman Granite Works
- Spence's Point
- Spencer Carriage House and Stable
- Spencer Cemetery
- Spencer County Courthouse (Indiana)
- Spencer Eakin Farm
- Spencer Harris House
- Spencer High School and Auditorium
- Spencer Historic District
- Spencer Hollow School
- Spencer House (Bishopville, South Carolina)
- Spencer House (Hartford, Connecticut)
- Spencer House (Lima, New York)
- Spencer House (Syracuse, New York)
- Spencer Presbyterian Church
- Spencer Public Library
- Spencer Rock House
- Spencer Town Center Historic District
- Spencer Town Hall and Fire Station
- Spencer Township Hall
- Spencer's Crossing Bridge
- Spencerport Methodist Church
- Spencertown Academy
- Spencerville Covered Bridge
- Spencer–Peirce–Little Farm
- Spencer–Penn School
- Spencer–Shippee–Lillbridge House
- Spengler Bridge
- Spengler–Thomas Building
- Spensley Farm
- Sperling Building
- Sperry Chalet
- Sperry-Smith House
- Sperryville Historic District
- Sphinx (senior society)
- Spicer-Millard House
- Spicket Falls Historic District
- Spider Cave
- Spiegel Grove
- Spiegel Office Building
- Spies–Robinson House
- Spieth and Krug Brewery
- Spikebuck Town Mound and Village Site
- Spiller Farm Paleoindian Site
- Spina Hotel
- Spindletop
- Spindletop Hall
- Spindrift Sailing Yacht
- Spingarn High School
- Spink Arms Hotel
- Spink County Courthouse
- Spink Farm
- Spinner House
- Spinning Wheel (Asheville, North Carolina)
- Spirit House (Georgetown, New York)
- Spirit Lake Massacre Log Cabin
- Spirit Lake Public Library
- Spirit Mound Historic Prairie
- Spirit Mountain (Nevada)
- Spirit of the American Doughboy
- Spiritual Israel Church and Its Army Temple
- Spiro Mounds
- Spite House (Rockport, Maine)
- Spivey Building
- Split Rock (Wyoming)
- Split Rock Lighthouse
- Split Rock Prehistoric Site
- Splitlog Church
- Spofford-Barnes House
- Spokane & International Railroad Construction Camp
- Spokane City Hall Building
- Spokane Club Building-Legion Building
- Spokane County Courthouse
- Spokane Fire Station No. 3
- Spokane Flour Mill
- Spokane Public Library - East Side Branch
- Spokane Public Library - Heath Branch
- Spokane Public Library - Main
- Spokane Public Library - North Monroe Branch
- Spokane River Bridge at Long Lake Dam
- Spokane, Portland and Seattle 700
- Spokane, Portland and Seattle Railroad Warehouse
- Spook Hill
- Spooner Hall
- Spoonville site
- Sport (shipwreck)
- Spot Pond Archeological District
- Spotsylvania Court House Historic District
- Spotted Tail Gravesite
- Spotts Round Barn
- Sprague House (Danvers, Massachusetts)
- Sprague's Super Service
- Sprague, Brown, and Knowlton Store
- Sprague–Marshall–Bowie House
- Spraker Service Station
- Spratt Cemetery
- Spratt-Allen-Aull House
- Spray Industrial Historic District
- Spread Out Historic District
- Sprechers Mill House
- Spreckels Theatre
- Sprenger Brewery
- Spring Bank (Lunenburg Courthouse, Virginia)
- Spring Bank Farm
- Spring Banke
- Spring Branch Butter Factory Site
- Spring Brook Cemetery
- Spring Brook House
- Spring City School
- Spring City, Utah
- Spring Creek Friends Cemetery
- Spring Creek Lodge
- Spring Creek Meeting House-H Street Mission
- Spring Creek Presbyterian Church
- Spring Creek site
- Spring Dale (Dublin, Virginia)
- Spring Field Banquet Center
- Spring Garden (Laurel, Delaware)
- Spring Garden School
- Spring Garden School No. 1
- Spring Garden, Philadelphia
- Spring Glen Synagogue
- Spring Green (Mechanicsville, Virginia)
- Spring Green Primitive Baptist Church
- Spring Grove (Mount Holly, Virginia)
- Spring Grove (Oak Corner, Virginia)
- Spring Grove Borough Historic District
- Spring Grove Cemetery
- Spring Grove Cemetery (Hartford, Connecticut)
- Spring Grove Cemetery Chapel
- Spring Grove Farm and Distillery
- Spring Grove Forge Mansion
- Spring Harbor Mound Group
- Spring Hill (Ivy, Virginia)
- Spring Hill (Providence Forge, Virginia)
- Spring Hill (Raleigh, North Carolina)
- Spring Hill Cemetery (Marlborough, Massachusetts)
- Spring Hill Cemetery Historic District
- Spring Hill Church
- Spring Hill College Quadrangle
- Spring Hill Farm (Hamilton, Virginia)
- Spring Hill Farm (Lebanon, New Hampshire)
- Spring Hill Farm (McLean, Virginia)
- Spring Hill Historic District (Mansfield, Connecticut)
- Spring Hill Historic District (Sandwich, Massachusetts)
- Spring Hill Historic District (Somerville, Massachusetts)
- Spring Hill Methodist Church
- Spring Hill Methodist Protestant Church Cemetery
- Spring Hill Presbyterian Church
- Spring Hope Historic District
- Spring House (Barryville, New York)
- Spring House (Pittsford, New York)
- Spring Lake Bridge
- Spring Lake Community Center
- Spring Lake Recreation Area
- Spring Mill (Batesville, Arkansas)
- Spring Mill Complex
- Spring Mills Historic District
- Spring Point Ledge Light
- Spring Ridge Baptist Church
- Spring River Bridge
- Spring Side
- Spring Street (Los Angeles)
- Spring Street Courthouse
- Spring Street Freight House
- Spring Street Historic District
- Spring Street Service Station
- Spring Valley Christian Church Site
- Spring Valley Farm
- Spring Valley Historic District
- Spring Valley House–Sulfur Springs Hotel
- Spring Valley Methodist Episcopal Church
- Spring Valley Presbyterian Church
- Spring Valley Rural Historic District
- Spring Valley School (Larkspur, Colorado)
- Spring Valley School District 120 Building
- Spring Valley Shopping Center
- Spring Valley Township Bridge No. E-31
- Spring Villa
- Springbank (Old Lyme, Connecticut)
- Springbank (Roslyn Harbor, New York)
- Springboro Historic District
- Springbrook State Park
- Springdale (Crozier, Virginia)
- Springdale (Frederick County, Virginia)
- Springdale (Lexington, Virginia)
- Springdale (Mathews, Virginia)
- Springdale Cemetery
- Springdale Farm (Burnham, Maine)
- Springdale Farm (Mendenhall, Pennsylvania)
- Springdale Historic District (New Hope, Pennsylvania)
- Springdale Historic District (York, Pennsylvania)
- Springdale Mill Complex
- Springdale Mills
- Springdale Poultry Industry Historic District
- Springdale School
- Springer Building
- Springer Farm (Newark, Delaware)
- Springer Farm (Uniontown, Pennsylvania)
- Springer Opera House
- Springer-Cranston House
- Springfield (Coatesville, Virginia)
- Springfield (Heathsville, Virginia)
- Springfield (Jacksonville)
- Springfield Armory
- Springfield Baptist Church (Augusta, Georgia)
- Springfield Baptist Church (Greensboro, Georgia)
- Springfield Baptist Church (Springfield, Kentucky)
- Springfield Brick House
- Springfield Bridge
- Springfield Center Elementary School
- Springfield Congregational Church
- Springfield District Court
- Springfield Downtown Historic District
- Springfield Farm (Williamsport, Maryland)
- Springfield Fire & Marine Insurance Co.
- Springfield Furniture Company
- Springfield General Hospital
- Springfield Grocer Company Warehouse
- Springfield High School (South Carolina)
- Springfield Mill
- Springfield National Cemetery
- Springfield Plantation (Fayette, Mississippi)
- Springfield Plantation House (Fort Mill, South Carolina)
- Springfield Presbyterian Church (Sharpsburg, Kentucky)
- Springfield Presbyterian Church (Springfield, New Jersey)
- Springfield Presbyterian Church (Sykesville, Maryland)
- Springfield Public School
- Springfield Public Square Historic District
- Springfield Safe Deposit and Trust Company
- Springfield School, Richmond
- Springfield Schoolhouse
- Springfield Seed Co. Office and Warehouse
- Springfield Steam Power Company Block
- Springfield Street Historic District
- Springfield Town Hall and Howard Memorial Methodist Church
- Springfield Union Station (Illinois)
- Springfield Warehouse and Industrial Historic District
- Springfield station (Oregon)
- Springfield to Fayetteville Road-Cross Hollow Segment
- Springfield to Fayetteville Road-Elkhorn Tavern Segment
- Springhill Historic District
- Springhouse Farm
- Springland (Washington, D.C.)
- Springside (Poughkeepsie, New York)
- Springside Chestnut Hill Academy
- Springside Park
- Springton Manor Farm
- Springtown Historic District
- Springville Carnegie Library
- Springville Center for the Arts
- Springville Community Presbyterian Church
- Springville High School Mechanical Arts Building
- Springville Historic District (Springville, Alabama)
- Springville Historic District (Springville, Utah)
- Springville Museum of Art
- Springville station
- Springwells Park Historic District
- Springwood Cemetery
- Springwood Manor
- Spring–Douglas Historic District
- Sproul Homestead
- Sproul's Cafe
- Sprowl's Covered Bridge
- Spruce Creek Mound Complex
- Spruce Creek Rod and Gun Club
- Spruce Grove School
- Spruce Lodge
- Spruce Run Earthworks
- Spruce Street YMCA
- Spruce Tree Site
- Sprucewold Lodge
- Sprunk Site (32CS04478)
- Spud Drive-In Theater
- Spur Gasoline Station
- Spur House
- Spurgeon House
- Spurgin Residence
- Spurwink Congregational Church
- Spye Park (White Plains, Maryland)
- Squadron A Armory
- Squan Beach Life-Saving Station
- Squantum Association
- Square Rock Dipping Vat
- Square Schoolhouse
- Square Tavern
- Squatter's Cabin
- Squaw Creek Bridge 2
- Squaw Peak Inn
- Squire Chase House
- Squire Cheyney Farm
- Squire Ignatius Haskell House
- Squire Tarbox House
- Squire William B. Canedy House
- Squirewood Hall
- Squirrel Hill Site
- Squirrel Hollow Park
- Squirrel Meadows Guard Station
- Squirrel Point Light
- Sri Atmananda Memorial School (Texas)
- St. Adalbert Polish Catholic Church
- St. Agnes Catholic Church (Mena, Arkansas)
- St. Agnes Catholic Church (Vermillion, South Dakota)
- St. Agnes Cemetery
- St. Agnes Church (Utica, South Dakota)
- St. Aidan's Church (Brookline, Massachusetts)
- St. Alban's Bay Culvert
- St. Alban's Episcopal Church (Lidgerwood, North Dakota)
- St. Alban's Episcopal Church (Littleton, North Carolina)
- St. Alban's Episcopal Church (Staten Island)
- St. Alban's Hall (Richmond, Virginia)
- St. Albans Farms Stone Barn
- St. Albans General Store
- St. Albans Historic District
- St. Albans Main Street Historic District
- St. Albans Post Office
- St. Albans Site
- St. Albans Town Hall
- St. Albans station (West Virginia)
- St. Albertus Roman Catholic Church
- St. Aloysius Catholic Church (Carthagena, Ohio)
- St. Aloysius Church (Pewee Valley, Kentucky)
- St. Aloysius Church (Washington, D.C.)
- St. Aloysius on the Ohio
- St. Alphonsus Church, New Orleans
- St. Alphonsus' Hospital Nurses' Home and Heating Plant/Laundry
- St. Ambrose Cathedral (Des Moines, Iowa)
- St. Andre's Parish
- St. Andrew School
- St. Andrew's Catholic Church (Roanoke, Virginia)
- St. Andrew's Cemetery (Walden, New York)
- St. Andrew's Church (LeRoy, Wisconsin)
- St. Andrew's Church (Leonardtown, Maryland)
- St. Andrew's Church (Newcastle, Maine)
- St. Andrew's Church (Richmond, Virginia)
- St. Andrew's Church (Staten Island)
- St. Andrew's Episcopal Chapel (Sudlersville, Maryland)
- St. Andrew's Episcopal Chapel (Woonsocket, Rhode Island)
- St. Andrew's Episcopal Church (Albany, New York)
- St. Andrew's Episcopal Church (Birmingham, Alabama)
- St. Andrew's Episcopal Church (Brewster, New York)
- St. Andrew's Episcopal Church (Buffalo, New York)
- St. Andrew's Episcopal Church (Chelan, Washington)
- St. Andrew's Episcopal Church (Clinton, Louisiana)
- St. Andrew's Episcopal Church (Denver, Colorado)
- St. Andrew's Episcopal Church (Elyria, Ohio)
- St. Andrew's Episcopal Church (New York City)
- St. Andrew's Episcopal Church (Port Angeles, Washington)
- St. Andrew's Episcopal Church (Prairieville, Alabama)
- St. Andrew's Episcopal Church (Scotland, South Dakota)
- St. Andrew's Episcopal Church (Stamford, Connecticut)
- St. Andrew's Episcopal Church (Tampa, Florida)
- St. Andrew's Episcopal Church (Walden, New York)
- St. Andrew's Episcopal Church (Washington, Connecticut)
- St. Andrew's Episcopal Church (Yaphank, New York)
- St. Andrew's Episcopal Church and Cemetery
- St. Andrew's Evangelical Lutheran Church Complex
- St. Andrew's-by-the-Sea
- St. Andrews Bungalow Court
- St. Andrews Creek Bridge
- St. Andrews Evangelical German Lutheran Church
- St. Andrews Patrol Cabin
- St. Andrews University (North Carolina)
- St. Ann & the Holy Trinity Church
- St. Ann Roman Catholic Church Complex
- St. Ann's Catholic Church of Badus
- St. Ann's Church Complex (Woonsocket, Rhode Island)
- St. Ann's Episcopal Church (Bronx)
- St. Ann's Episcopal Church (Nashville, Tennessee)
- St. Ann's Episcopal Church (Richford, Vermont)
- St. Ann's Federation Building
- St. Anne Catholic Church (Napoleonville, Louisiana)
- St. Anne Church (Berlin, New Hampshire)
- St. Anne Shrine of Fall River
- St. Anne's Church (Middletown, Delaware)
- St. Anne's Church and Mission Site
- St. Anne's Episcopal Church (Anna, Illinois)
- St. Anne's Episcopal Church (Calais, Maine)
- St. Anne's Roman Catholic Church (Marysville, Washington)
- St. Anselm's Catholic Church, Rectory and Parish Hall
- St. Anselm's Cemetery, Wrought-Iron Cross Site
- St. Anthony Falls Historic District
- St. Anthony Hall House
- St. Anthony Park Branch Library
- St. Anthony Pegram Truss Railroad Bridge
- St. Anthony School (Florida)
- St. Anthony de Padua Parish School
- St. Anthony of Padua Catholic Church
- St. Anthony of Padua Catholic Church (Hoven, South Dakota)
- St. Anthony's Catholic Church (Davenport, Iowa)
- St. Anthony's Catholic Church (Des Moines, Iowa)
- St. Anthony's Catholic Church (Louisville, Kentucky)
- St. Anthony's Catholic Church (Okmulgee, Oklahoma)
- St. Anthony's Catholic Church (Padua, Ohio)
- St. Anthony's Church and School (Cedar Rapids, Nebraska)
- St. Anthony's Roman Catholic Church (Sterling, Colorado)
- St. Anthony's Roman Catholic Church (Wilmington, Delaware)
- St. Athanasius Episcopal Church and Parish House and the Church of the Holy Comforter
- St. Augustine Alligator Farm Zoological Park
- St. Augustine Catholic Church (Grayson Springs, Kentucky)
- St. Augustine Catholic Church and Cemetery (Hartland, Michigan)
- St. Augustine Catholic Church and Cemetery (Natchez, Louisiana)
- St. Augustine Catholic Church and Cemetery (Trenton, Wisconsin)
- St. Augustine Church (Dallas, South Dakota)
- St. Augustine Church (Philadelphia)
- St. Augustine Church Complex
- St. Augustine Civic Center
- St. Augustine Light
- St. Augustine National Cemetery
- St. Augustine Town Plan Historic District
- St. Augustine Water Works
- St. Augustine of Canterbury Anglican Church
- St. Augustine's Catholic Church (Austin, Nevada)
- St. Augustine's Catholic Church (Minster, Ohio)
- St. Augustine's Catholic Church (Napoleon, Ohio)
- St. Augustine's Church (Manhattan)
- St. Augustine's Episcopal Church (Gary, Indiana)
- St. Augustine's Episcopal Church Complex
- St. Augustine's University (North Carolina)
- St. Barnabas Episcopal Church (Foreman, Arkansas)
- St. Barnabas Episcopal Church (Montrose, Iowa)
- St. Barnabas Episcopal Church (Snow Hill, North Carolina)
- St. Barnabas Episcopal Church (Troy, New York)
- St. Barnabas' Episcopal Church (Newark, New Jersey)
- St. Bartholomew's Episcopal Church (Manhattan)
- St. Bartholomew's Episcopal Church (Montgomery, Vermont)
- St. Bartholomew's Episcopal Church (Quantico, Maryland)
- St. Bartholomew's Protestant Episcopal Church and Rectory
- St. Benedict's Catholic Church (Honaunau, Hawaii)
- St. Benedict's Catholic Church (Nebraska City, Nebraska)
- St. Benedict's Catholic School
- St. Benedict's Church (Bendena, Kansas)
- St. Benedict's Church (Stamford, Connecticut)
- St. Bernard Church and Cemetery
- St. Bernard de Clairvaux Church
- St. Bernard's Church (Akron, Ohio)
- St. Bernard's Church and Parish House
- St. Bonaventure Church (Raeville, Nebraska)
- St. Bonaventure Monastery
- St. Boniface Catholic Church (Fulda, Indiana)
- St. Boniface Catholic Church (Sioux City, Iowa)
- St. Boniface Catholic Church (Westphalia, Iowa)
- St. Boniface Catholic Church Complex
- St. Boniface Cemetery, Wrought-Iron Cross Site
- St. Boniface Church (Clinton, Iowa)
- St. Boniface Church, Convent and Rectory
- St. Boniface Roman Catholic Church (Pittsburgh, Pennsylvania)
- St. Boniface's Catholic Church (Louisville, Kentucky)
- St. Bridget Church
- St. Bridget's Roman Catholic Church Complex (Bloomfield, New York)
- St. Brigid's School and Convent
- St. Casimir Parish Historic District
- St. Casimir's Roman Catholic Church (Newark, New Jersey)
- St. Catharine (Waldorf, Maryland)
- St. Catherine of Siena Roman Catholic Church
- St. Catherine of Sienna Convent
- St. Catherine's Church of Lomice, North Dakota
- St. Catherine's School (Richmond, Virginia)
- St. Catherines Island
- St. Cecilia Academy
- St. Cecilia Cathedral (Omaha)
- St. Cecilia Church and Convent (New York City)
- St. Cecilia Music Center
- St. Cecilia School (Broussard, Louisiana)
- St. Charles Apartments
- St. Charles Battle Monument
- St. Charles Battle Site
- St. Charles Borromeo Church (Waltham, Massachusetts)
- St. Charles Borromeo Church Complex (Woonsocket, Rhode Island)
- St. Charles Borromeo Roman Catholic Church (Detroit, Michigan)
- St. Charles Bridge (Pueblo, Colorado)
- St. Charles City Bakery
- St. Charles College (Maryland)
- St. Charles Historic District
- St. Charles Hotel (Pierre, South Dakota)
- St. Charles Municipal Building
- St. Charles Odd Fellows Hall
- St. Charles Seminary
- St. Charles Streetcar Line
- St. Charles of the Valley Catholic Church and Rectory
- St. Charles-Muller's Hotel
- St. Christopher's Episcopal Mission
- St. Christopher's School (Richmond, Virginia)
- St. Clair Flats Front and Rear Range Light
- St. Clair Hospital
- St. Clair Inn
- St. Clair Springs, Alabama
- St. Clair Tunnel
- St. Clairsville Historic District
- St. Clement's Island State Park
- St. Cloud Commercial Historic District
- St. Cloud Heritage Museum
- St. Cloud Hotel
- St. Cloud VA Health Care System
- St. Cloud station (Florida)
- St. Colman's Roman Catholic Church and Cemetery
- St. Columba Mission
- St. Columba's Church, Newark
- St. Columba's School (Schenectady, New York)
- St. Cornelia's Episcopal Church
- St. Croix Boom Company House and Barn
- St. Croix Boom Site
- St. Croix County Courthouse
- St. Croix River Access Site
- St. Cyril and St. Methodius Church
- St. David Catholic Church
- St. David's Episcopal Church (Austin, Texas)
- St. David's Episcopal Church (Radnor, Pennsylvania)
- St. David's Episcopal Church (Rayville, Louisiana)
- St. David's Episcopal Church and Cemetery
- St. Denis Catholic Church
- St. Dominic's Catholic Church
- St. Dominic's Church (Denver, Colorado)
- St. Donatus, Iowa
- St. Edwards Church (Little Rock, Arkansas)
- St. Elizabeth Catholic Church (Paincourtville, Louisiana)
- St. Elizabeth Health Services
- St. Elizabeth Hospital (Hannibal, Missouri)
- St. Elizabeth of Hungary Catholic Church (Baltimore, Maryland)
- St. Elizabeth of Hungary Roman Catholic Church
- St. Elizabeth of Hungary Shrine (Cleveland, Ohio)
- St. Elizabeth's Catholic Church (De Valls Bluff, Arkansas)
- St. Elizabeth's Church (Denver, Colorado)
- St. Elizabeth's Convent
- St. Elizabeth's Retreat Chapel
- St. Elizabeths Hospital
- St. Elmo (Columbus, Georgia)
- St. Elmo Historic District (Chattanooga, Tennessee)
- St. Emma Plantation
- St. Euphemia's School and Sisters' House
- St. Florian Church (Hamtramck, Michigan)
- St. Frances Cabrini Catholic Church (Omaha, Nebraska)
- St. Frances Methodist Church
- St. Francis Chapel (New Roads, Louisiana)
- St. Francis Hospital (Cincinnati, Ohio)
- St. Francis Mission
- St. Francis River Bridge (Lake City, Arkansas)
- St. Francis River Bridge (Madison, Arkansas)
- St. Francis Seminary (Ohio)
- St. Francis Solanus Mission
- St. Francis Street Methodist Church
- St. Francis Wood, San Francisco
- St. Francis Xavier Cathedral (Alexandria, Louisiana)
- St. Francis Xavier Cathedral and Library
- St. Francis Xavier Catholic Church and Rectory
- St. Francis Xavier Church (Cincinnati, Ohio)
- St. Francis Xavier Church (Missoula, Montana)
- St. Francis Xavier Church (Parkersburg, West Virginia)
- St. Francis Xavier Church (Warwick, Maryland)
- St. Francis Xavier Church and Newtown Manor House Historic District
- St. Francis Xavier Roman Catholic Parish Complex
- St. Francis by-the-Sea American Catholic Church
- St. Francis de Sales Catholic Church (Lexington, New York)
- St. Francis de Sales Catholic Church (Paducah, Kentucky)
- St. Francis de Sales Oratory (St. Louis)
- St. Francis deSales Church (Geneva, New York)
- St. Francois County Jail and Sheriff's Residence
- St. Gabriel Catholic Church (St. Gabriel, Louisiana)
- St. Gabriel's Catholic Parish Complex
- St. Gabriel's Episcopal Church (Titusville, Florida)
- St. George Academy (West Virginia)
- St. George Antiochian Orthodox Church (Lowell, Massachusetts)
- St. George Antiochian Orthodox Church (Orlando, Florida)
- St. George Coast Guard Station
- St. George Episcopal Church (Jacksonville)
- St. George Hotel (Volcano, California)
- St. George Lutheran Church (Edinburgh, Indiana)
- St. George Melkite Catholic Church
- St. George Opera House
- St. George Plantation House
- St. George Reef Light
- St. George Tabernacle
- St. George Utah Temple
- St. George the Great Martyr Orthodox Church
- St. George's Catholic Church (Bakersfield, Vermont)
- St. George's Catholic Church (Cincinnati, Ohio)
- St. George's Chapel, Lewes
- St. George's Church (Pungoteague, Virginia)
- St. George's Church (Queens)
- St. George's Episcopal Church (Austin, Nevada)
- St. George's Episcopal Church (Fredericksburg, Virginia)
- St. George's Episcopal Church (Griffin, Georgia)
- St. George's Episcopal Church (Hempstead, New York)
- St. George's Episcopal Church (Le Mars, Iowa)
- St. George's Episcopal Church (Manhattan)
- St. George's Episcopal Church (Valley Lee, Maryland)
- St. George's Episcopal Memorial Church
- St. George's Greek Orthodox Church (Southbridge, Massachusetts)
- St. George's Parish Vestry House
- St. George's Protestant Episcopal Church (Brooklyn)
- St. George's Roman Catholic Church (Louisville)
- St. George's School (Rhode Island)
- St. George's School and Convent
- St. George's United Methodist Church (Philadelphia)
- St. George's-by-the-River Episcopal Church
- St. Georges Cemetery Caretaker's House
- St. Georges Presbyterian Church
- St. Germain dit Gauthier House
- St. Gertrude Roman Catholic Church
- St. Gertrude's Convent and Chapel
- St. Giles (Hebron, Maryland)
- St. Gregory's Church (St. Nazianz, Wisconsin)
- St. Hedwig's Roman Catholic Church
- St. Helena Catholic Church (St. Helena, California)
- St. Helena High School
- St. Helena Island Light
- St. Helena Parish Chapel of Ease Ruins
- St. Helena Public Cemetery
- St. Helenaville Archaeological Site
- St. Henry's Catholic Church (Harriettsville, Ohio)
- St. Henry's Catholic Church (St. Henry, Ohio)
- St. Hyacinth School and Convent
- St. Ignace Mission
- St. Ignatius Church (Forest Hill, Maryland)
- St. Ignatius Church (Oxon Hill, Maryland)
- St. Ignatius College Prep
- St. Ignatius Loyola Church (Denver, Colorado)
- St. Ignatius Mission
- St. Ignatius Roman Catholic Church (St. Inigoes, Maryland)
- St. Ignatius of Antioch Church (New York City)
- St. Irenaeus Catholic Church (Clinton, Iowa)
- St. Jacob's Church (Napaskiak, Alaska)
- St. James A. M. E. Church (Sanford, Florida)
- St. James A.M.E. Church (Cape Girardeau, Missouri)
- St. James AME Church (Ashland, Kentucky)
- St. James AME Church (New Orleans, Louisiana)
- St. James AME Zion Church (Ithaca, New York)
- St. James Apartments
- St. James Basilica (Jamestown, North Dakota)
- St. James Building
- St. James Catholic Church (Louisville, Kentucky)
- St. James Catholic Church and Cemetery (Lemont, Illinois)
- St. James Chapel (Hyde Park, New York)
- St. James Chapel (St. James, Missouri)
- St. James Chapel (Stony Brook, New York)
- St. James Church (Accomac, Virginia)
- St. James Church (Charlottesville, Virginia)
- St. James Church (Goose Creek, South Carolina)
- St. James Church (Monkton, Maryland)
- St. James Church (Queens)
- St. James Church and Rectory (Callicoon, New York)
- St. James Colored Methodist Episcopal Church
- St. James Episcopal Church (Batavia, New York)
- St. James Episcopal Church (Baton Rouge, Louisiana)
- St. James Episcopal Church (Boardman, Ohio)
- St. James Episcopal Church (Cambridge, Massachusetts)
- St. James Episcopal Church (Coquille, Oregon)
- St. James Episcopal Church (Fort Edward, New York)
- St. James Episcopal Church (Grosse Ile, Michigan)
- St. James Episcopal Church (La Grange, Texas)
- St. James Episcopal Church (Lake George, New York)
- St. James Episcopal Church (Lewistown, Illinois)
- St. James Episcopal Church (McLeansboro, Illinois)
- St. James Episcopal Church (Meeker, Colorado)
- St. James Episcopal Church (Milwaukee, Wisconsin)
- St. James Episcopal Church (Muncy, Pennsylvania)
- St. James Episcopal Church (New London, Connecticut)
- St. James Episcopal Church (Old Town, Maine)
- St. James Episcopal Church (Oskaloosa, Iowa)
- St. James Episcopal Church (Painesville, Ohio)
- St. James Episcopal Church (Santee, South Carolina)
- St. James Episcopal Church (Wagoner, Oklahoma)
- St. James Episcopal Church (Watkins Glen, New York)
- St. James Episcopal Church (Zanesville, Ohio)
- St. James Episcopal Church and Rectory (Bozeman, Montana)
- St. James Episcopal Church and Rectory (Kittrell, North Carolina)
- St. James Episcopal Church, Mill Creek
- St. James Hotel (Philadelphia)
- St. James Hotel (Red Wing, Minnesota)
- St. James House of Prayer Episcopal Church
- St. James Lutheran Church (Pohatcong Township, New Jersey)
- St. James Lutheran Church (Portland, Oregon)
- St. James Memorial Chapel (Howe, Indiana)
- St. James Memorial Church of Eatontown
- St. James Park (San Jose)
- St. James Park Historic District
- St. James Roman Catholic Church (Manhattan)
- St. James United Methodist Church (Cedar Rapids, Iowa)
- St. James the Greater Catholic Mission
- St. James the Less Roman Catholic Church
- St. James' A. M. E. Church (Newark, New Jersey)
- St. James' Church (Cleveland, New York)
- St. James' Episcopal Church (Cedartown, Georgia)
- St. James' Episcopal Church and Parish House
- St. James' Episcopal Mission Church
- St. James' Parish (Lothian, Maryland)
- St. James–Belgravia Historic District
- St. Jean Baptiste Roman Catholic Church
- St. Joe Lead Company Administration Building
- St. Joe station
- St. Johannes Danske Lutherske Kirke
- St. John African Methodist Episcopal Church (Cleveland, Ohio)
- St. John African Methodist Episcopal Church (Omaha, Nebraska)
- St. John African Methodist Episcopal Church (Topeka, Kansas)
- St. John Baptist Church (Lecompte, Louisiana)
- St. John Baptist Church (Mason City, Iowa)
- St. John Catholic Church (Saint John Plantation, Maine)
- St. John Chrysostom Church (Delafield, Wisconsin)
- St. John Mine
- St. John Nepomuk Parish Historic District
- St. John of God Roman Catholic Church, Convent, and School
- St. John of the Cross Episcopal Church
- St. John the Baptist Catholic Church (Ammannsville, Texas)
- St. John the Baptist Catholic Church (Beloit, Kansas)
- St. John the Baptist Catholic Church (Brinkley, Arkansas)
- St. John the Baptist Catholic Church (Glandorf, Ohio)
- St. John the Baptist Catholic Church (Hubbardston, Michigan)
- St. John the Baptist Catholic Church (Johnsburg, Wisconsin)
- St. John the Baptist Catholic Church (Maria Stein, Ohio)
- St. John the Baptist Catholic Church (Menominee, Michigan)
- St. John the Baptist Chapel
- St. John the Baptist Church (Angoon, Alaska)
- St. John the Baptist Church (Pawtucket, Rhode Island)
- St. John the Baptist Church (Wakefield, New Hampshire)
- St. John the Baptist Roman Catholic Church (Newark, Delaware)
- St. John the Baptist Roman Catholic Church (Plattsburgh, New York)
- St. John the Baptist Roman Catholic Church (Wilder, Kentucky)
- St. John the Baptist Ukrainian Catholic Church
- St. John the Divine Episcopal Church (Moorhead, Minnesota)
- St. John the Evangelist Catholic Church (Indianapolis, Indiana)
- St. John the Evangelist Church (Cambridge, Massachusetts)
- St. John the Evangelist Roman Catholic Church (Baltimore, Maryland)
- St. John the Evangelist Roman Catholic Church (Zigzag, Oregon)
- St. John the Evangelist Roman Catholic Church and School Building
- St. John the Theologian Church
- St. John's AF & AM Lodge
- St. John's African Methodist Episcopal Church (Norfolk, Virginia)
- St. John's Anglican Church and Parsonage Site
- St. John's Baptist Church (Miami, Florida)
- St. John's Block Commercial Exchange
- St. John's Cathedral (Lafayette, Louisiana)
- St. John's Cathedral (Los Angeles)
- St. John's Catholic Church (Bangor, Maine)
- St. John's Catholic Church (Delphos, Ohio)
- St. John's Catholic Church (Fryburg, Ohio)
- St. John's Catholic Church (Paxton, South Dakota)
- St. John's Catholic Church (Worcester, Massachusetts)
- St. John's Chapel of St. Michael's Parish
- St. John's Chapel, Del Monte
- St. John's Church (Brownwood, Texas)
- St. John's Church (Chuckatuck, Virginia)
- St. John's Church (Chula, Virginia)
- St. John's Church (Newark, New Jersey)
- St. John's Church (Portsmouth, New Hampshire)
- St. John's Church (Ruxton, Maryland)
- St. John's Church (Sweet Hall, Virginia)
- St. John's Church Complex (Delhi, New York)
- St. John's Church at Creagerstown Historic District
- St. John's Church, Philadelphia
- St. John's College (Annapolis/Santa Fe)
- St. John's Congregational Church & Parsonage-Parish for Working Girls
- St. John's Episcopal Church (Abilene, Kansas)
- St. John's Episcopal Church (Albion, Illinois)
- St. John's Episcopal Church (Ashwood, Tennessee)
- St. John's Episcopal Church (Baltimore, Maryland)
- St. John's Episcopal Church (Battleboro, North Carolina)
- St. John's Episcopal Church (Bridgeport, Connecticut)
- St. John's Episcopal Church (Camden, Arkansas)
- St. John's Episcopal Church (Cape Vincent, New York)
- St. John's Episcopal Church (Charleston, West Virginia)
- St. John's Episcopal Church (Christiansted, U.S. Virgin Islands)
- St. John's Episcopal Church (Cleveland, Ohio)
- St. John's Episcopal Church (Detroit)
- St. John's Episcopal Church (Dresden Mills, Maine)
- St. John's Episcopal Church (East Hartford, Connecticut)
- St. John's Episcopal Church (Eolia, Missouri)
- St. John's Episcopal Church (Fayetteville, North Carolina)
- St. John's Episcopal Church (Fort Washington, Maryland)
- St. John's Episcopal Church (Framingham, Massachusetts)
- St. John's Episcopal Church (Girard, Kansas)
- St. John's Episcopal Church (Globe, Arizona)
- St. John's Episcopal Church (Hampton, Virginia)
- St. John's Episcopal Church (Highgate Falls, Vermont)
- St. John's Episcopal Church (Honeoye Falls, New York)
- St. John's Episcopal Church (Johnstown, New York)
- St. John's Episcopal Church (Keokuk, Iowa)
- St. John's Episcopal Church (Lafayette, Indiana)
- St. John's Episcopal Church (Laurel Hill, Louisiana)
- St. John's Episcopal Church (Little Silver, New Jersey)
- St. John's Episcopal Church (Marion, North Carolina)
- St. John's Episcopal Church (Montgomery, Alabama)
- St. John's Episcopal Church (Mount Morris, New York)
- St. John's Episcopal Church (Mount Pleasant, Michigan)
- St. John's Episcopal Church (Phelps, New York)
- St. John's Episcopal Church (Phoenix, New York)
- St. John's Episcopal Church (Portland, Oregon)
- St. John's Episcopal Church (Richmond, Virginia)
- St. John's Episcopal Church (Roanoke, Virginia)
- St. John's Episcopal Church (Saginaw, Michigan)
- St. John's Episcopal Church (Somerville, New Jersey)
- St. John's Episcopal Church (Sparta, Wisconsin)
- St. John's Episcopal Church (Speedsville, New York)
- St. John's Episcopal Church (St. John's, North Carolina)
- St. John's Episcopal Church (Tallahassee, Florida)
- St. John's Episcopal Church (Toledo, Oregon)
- St. John's Episcopal Church (Warehouse Point, Connecticut)
- St. John's Episcopal Church (Williamsboro, North Carolina)
- St. John's Episcopal Church (Worthington, Ohio)
- St. John's Episcopal Church (Wytheville, Virginia)
- St. John's Episcopal Church (Youngstown, New York)
- St. John's Episcopal Church and Burying Ground
- St. John's Episcopal Church and Cemetery
- St. John's Episcopal Church and Rectory (Jackson, Wyoming)
- St. John's Episcopal Church and Rectory (Monticello, New York)
- St. John's Episcopal Church, Lafayette Square
- St. John's Evangelical Lutheran Church (Corning, Missouri)
- St. John's Evangelical Lutheran Church (Culp, Pennsylvania)
- St. John's Evangelical Lutheran Church (Livingston, New York)
- St. John's Evangelical Lutheran Church (Passaic, New Jersey)
- St. John's Evangelical Lutheran Church (Springfield, Ohio)
- St. John's Evangelical Lutheran Church (Stovertown, Ohio)
- St. John's Evangelical Lutheran German Church and Cemetery
- St. John's German Evangelical Lutheran Church
- St. John's Greek Orthodox Church (Pueblo, Colorado)
- St. John's Historic District
- St. John's Lutheran Cemetery
- St. John's Lutheran Church (Ancram, New York)
- St. John's Lutheran Church (Beekman Corners, New York)
- St. John's Lutheran Church (Evansville, Wisconsin)
- St. John's Lutheran Church (Goshen, Indiana)
- St. John's Lutheran Church (Hampton, Iowa)
- St. John's Lutheran Church (Isanti, Minnesota)
- St. John's Lutheran Church (Kalona, Iowa)
- St. John's Lutheran Church (Knoxville, Tennessee)
- St. John's Lutheran Church (Orange, California)
- St. John's Lutheran Church (Pomaria, South Carolina)
- St. John's Lutheran Church (Port Hope, Michigan)
- St. John's Lutheran Church (Walhalla, South Carolina)
- St. John's Lutheran Church (Zanesville, Ohio)
- St. John's Lutheran Church Complex
- St. John's Lutheran Church and Cemetery
- St. John's Lutheran Church and School
- St. John's Lutheran College Girls Dormitory
- St. John's Lutheran College-Baden Hall
- St. John's Lutheran School
- St. John's Mercy Hospital Building
- St. John's Methodist Church (Georgetown, Delaware)
- St. John's Methodist Church (Shelbyville, Kentucky)
- St. John's Methodist Episcopal Church (Raton, New Mexico)
- St. John's Methodist Episcopal Church and Joshua Thomas Chapel
- St. John's Missionary Baptist Church
- St. John's Northwestern Military Academy
- St. John's Parsonage
- St. John's Presbyterian Church (Berkeley, California)
- St. John's Presbyterian Church (San Francisco, California)
- St. John's Protestant Episcopal Church (Stamford, Connecticut)
- St. John's Protestant Episcopal Church (Yonkers, New York)
- St. John's United Church of Christ (Evansville, Indiana)
- St. John's United Church of Christ (Payette, Idaho)
- St. John's United Methodist Church (Davenport, Iowa)
- St. John's-In-The-Prairie
- St. John's–St. Luke's Evangelical Church
- St. Johns Episcopal Church and Cemetery (Oakdale, New York)
- St. Johns Light
- St. Johns Post Office (Portland, Oregon)
- St. Johns River Light
- St. Johns Signal Tower Gas Station
- St. Johnsbury Athenaeum
- St. Johnsbury Federal Fish Culture Station
- St. Johnsbury Historic District
- St. Johnsbury Main Street Historic District
- St. Johnsville (village), New York
- St. John–Lena Border Crossing
- St. Jones Neck
- St. Josaphat Roman Catholic Church
- St. Joseph Apache Mission Church
- St. Joseph Cathedral (Baton Rouge, Louisiana)
- St. Joseph Catholic Church (Camp Springs, Kentucky)
- St. Joseph Catholic Church (Damar, Kansas)
- St. Joseph Catholic Church (Roxbury, Massachusetts)
- St. Joseph Catholic Church, Rectory and Cemetery
- St. Joseph Catholic Mission Church
- St. Joseph Church (St. Joseph, Tennessee)
- St. Joseph Church (Westphalia, Missouri)
- St. Joseph Church-Convent of the Most Holy Sacrament Complex
- St. Joseph City Hall
- St. Joseph Co-Cathedral (Thibodaux, Louisiana)
- St. Joseph Convent and Academy
- St. Joseph Convent and Academy Complex
- St. Joseph County Courthouse (Michigan)
- St. Joseph County Infirmary
- St. Joseph Historic District
- St. Joseph Hospital Historic District
- St. Joseph Indian Normal School
- St. Joseph Neighborhood Historic District
- St. Joseph North Pier Inner and Outer Lights
- St. Joseph Old Cathedral (Oklahoma City)
- St. Joseph Oratory
- St. Joseph Parish Complex
- St. Joseph Parkway
- St. Joseph Plantation
- St. Joseph Public Library
- St. Joseph Public Library-Carnegie Branch
- St. Joseph School (South Bend, Indiana)
- St. Joseph on the Brandywine
- St. Joseph's African Methodist Episcopal Church
- St. Joseph's Catholic Church (Bauer, Iowa)
- St. Joseph's Catholic Church (Bowling Green, Kentucky)
- St. Joseph's Catholic Church (Davenport, Iowa)
- St. Joseph's Catholic Church (Egypt, Ohio)
- St. Joseph's Catholic Church (Elkader, Iowa)
- St. Joseph's Catholic Church (Hardin, Montana)
- St. Joseph's Catholic Church (Jasper, Indiana)
- St. Joseph's Catholic Church (Krebs, Oklahoma)
- St. Joseph's Catholic Church (Lewiston, Maine)
- St. Joseph's Catholic Church (Moiese, Montana)
- St. Joseph's Catholic Church (Mountain Island, North Carolina)
- St. Joseph's Catholic Church (Owensboro, Kentucky)
- St. Joseph's Catholic Church (Palm Bay, Florida)
- St. Joseph's Catholic Church (Pensacola)
- St. Joseph's Catholic Church (Pocatello, Idaho)
- St. Joseph's Catholic Church (Springfield, Ohio)
- St. Joseph's Catholic Church (Topeka, Kansas)
- St. Joseph's Catholic Church (Wapakoneta, Ohio)
- St. Joseph's Catholic Church (Wilmington, Delaware)
- St. Joseph's Catholic Church Complex (Waukesha, Wisconsin)
- St. Joseph's Catholic Mission Church
- St. Joseph's Chapel (Eau Claire, Wisconsin)
- St. Joseph's Chapel (Minto, North Dakota)
- St. Joseph's Church (Fall River, Massachusetts)
- St. Joseph's Church (Galveston, Texas)
- St. Joseph's Church (Middletown, Delaware)
- St. Joseph's Church (Pierz, Minnesota)
- St. Joseph's Church (Springfield, Massachusetts)
- St. Joseph's Church (Utica, New York)
- St. Joseph's Church Complex (Cumberland, Rhode Island)
- St. Joseph's Church and Complex
- St. Joseph's Church and Parochial School
- St. Joseph's Church and Rectory (Rochester, New York)
- St. Joseph's Commerce and Banking Historic District
- St. Joseph's Convent and School
- St. Joseph's Episcopal Church (Fayetteville, North Carolina)
- St. Joseph's Episcopal Church, 1926 (Detroit, Michigan)
- St. Joseph's Home
- St. Joseph's Home for the Aged (Oakland, California)
- St. Joseph's Hospital (Lewistown, Montana)
- St. Joseph's Hospital (San Francisco)
- St. Joseph's House for Homeless Industrious Boys
- St. Joseph's Industrial School
- St. Joseph's Mission (Culdesac, Idaho)
- St. Joseph's Mission (Tampico, Washington)
- St. Joseph's Orphanage (Fall River, Massachusetts)
- St. Joseph's Polish Catholic Church
- St. Joseph's Polish Roman Catholic Church
- St. Joseph's Roman Catholic Church (Denver)
- St. Joseph's Roman Catholic Church (Providence, Rhode Island)
- St. Joseph's Roman Catholic Church (Shields, Wisconsin)
- St. Joseph's Roman Catholic Church (Stone City, Iowa)
- St. Joseph's Roman Catholic Church Rectory and School
- St. Joseph's School (Biddeford, Maine)
- St. Joseph's School (North Adams, Massachusetts)
- St. Joseph's Seminary (Washington, D.C.)
- St. Joseph's Seraphic Seminary
- St. Jude's Episcopal Church
- St. Julien (Spotsylvania County, Virginia)
- St. Julien House
- St. Julien Plantation
- St. Katherine's Chapel
- St. Katherine's Historic District
- St. Ladislaus Roman Catholic Church (Lorain, Ohio)
- St. Landry Catholic Church
- St. Lawrence Arts Center
- St. Lawrence Catholic Church (Otter Creek, Iowa)
- St. Lawrence Catholic Church (Stangelville, Wisconsin)
- St. Lawrence O'Toole Catholic Church
- St. Leo's Catholic Church (Lewistown, Montana)
- St. Leo's Church (Baltimore, Maryland)
- St. Liborius Church and Buildings
- St. Louis Catholic Church (La Grange, California)
- St. Louis Catholic Church (North Star, Ohio)
- St. Louis Church (Fall River, Massachusetts)
- St. Louis Church (Louisville, Ohio)
- St. Louis Colored Orphans Home
- St. Louis County District Courthouse
- St. Louis Downtown Airport
- St. Louis Park station
- St. Louis Plantation
- St. Louis San Francisco (Frisco) Railway Coach No. 661
- St. Louis Southwestern Railway (Cotton Belt Route) Caboose No. 2325
- St. Louis Southwestern Railway (Cotton Belt Route) Relief Train
- St. Louis Street Historic District
- St. Louis Street Missionary Baptist Church
- St. Louis Union Station
- St. Louis and San Francisco Railroad Building (Joplin, Missouri)
- St. Louis and San Francisco Railway Depot (Comanche, Texas)
- St. Louis, Besancon, Historic District
- St. Louis-San Francisco Overpass
- St. Louis-San Francisco Railroad Depot (Poplar Bluff, Missouri)
- St. Louis–San Francisco 4003
- St. Lucas Evangelical German Lutheran Church and Cemetery
- St. Lucie High School
- St. Lucie Village Historic District
- St. Lucy's Church (Newark, New Jersey)
- St. Ludger Catholic Church
- St. Luke AME Church
- St. Luke AME Zion Church
- St. Luke African Methodist Episcopal Church
- St. Luke Baptist Church
- St. Luke Building
- St. Luke's Catholic Church (Warren, Arkansas)
- St. Luke's Chapel (Rutherfordton, North Carolina)
- St. Luke's Chapel (Stamford, Connecticut)
- St. Luke's Church (Baltimore, Maryland)
- St. Luke's Church (Church Hill, Maryland)
- St. Luke's Church (Clermont, New York)
- St. Luke's Church (Montclair, New Jersey)
- St. Luke's Church (Pritchardville, South Carolina)
- St. Luke's Church (Smithfield, Virginia)
- St. Luke's Church and Cemetery
- St. Luke's Episcopal Church (Asheville, North Carolina)
- St. Luke's Episcopal Church (Beacon, New York)
- St. Luke's Episcopal Church (Brockport, New York)
- St. Luke's Episcopal Church (Buffalo, Wyoming)
- St. Luke's Episcopal Church (Cahaba, Alabama)
- St. Luke's Episcopal Church (Cannelton, Indiana)
- St. Luke's Episcopal Church (Cincinnati, Ohio)
- St. Luke's Episcopal Church (Cleveland, Tennessee)
- St. Luke's Episcopal Church (Eden, North Carolina)
- St. Luke's Episcopal Church (Fine Creek Mills, Virginia)
- St. Luke's Episcopal Church (Granville, Ohio)
- St. Luke's Episcopal Church (Hope, New Jersey)
- St. Luke's Episcopal Church (Hot Springs, Arkansas)
- St. Luke's Episcopal Church (Jackson, Tennessee)
- St. Luke's Episcopal Church (Jerusalem, New York)
- St. Luke's Episcopal Church (Katonah, New York)
- St. Luke's Episcopal Church (Lanesborough, Massachusetts)
- St. Luke's Episcopal Church (Lebanon, Pennsylvania)
- St. Luke's Episcopal Church (New Haven, Connecticut)
- St. Luke's Episcopal Church (Queens)
- St. Luke's Episcopal Church (Washington, D.C.)
- St. Luke's Episcopal Church and Cemetery (Courtenay, Florida)
- St. Luke's Episcopal Church, Chapel, Guildhall, and Rectory
- St. Luke's Hospital (Chicago, Illinois)
- St. Luke's Hospital (Cleveland, Ohio)
- St. Luke's Hospital (Davenport, Iowa)
- St. Luke's Lutheran Church
- St. Luke's Lutheran Church Cemetery
- St. Luke's Methodist Church (Monticello, Iowa)
- St. Luke's Parish Zion Chapel of Ease Cemetery
- St. Luke's Protestant Episcopal Church (Sea Cliff, New York)
- St. Luke's Protestant Episcopal Church (Seaford, Delaware)
- St. Luke's School and Recreation Center
- St. Luke's United Methodist Church (Dubuque, Iowa)
- St. Luke's and St. Margaret's Church
- St. Malachi Church
- St. Margaret Catholic Church (Albany, Louisiana)
- St. Margaret's Episcopal Church and Cemetery
- St. Margaret's Home
- St. Maries 1910 Fire Memorial
- St. Maries Masonic Temple No. 63
- St. Mark Church (Colwich, Kansas)
- St. Mark United Methodist Church (Atlanta)
- St. Mark United Presbyterian Church
- St. Mark United Primitive Baptist Church
- St. Mark's African Methodist Episcopal Church
- St. Mark's Baptist Church (Highland Falls, New York)
- St. Mark's Cathedral (Salt Lake City)
- St. Mark's Cemetery
- St. Mark's Church (Clark Mills, New York)
- St. Mark's Church (Port Leyden, New York)
- St. Mark's Church in-the-Bowery
- St. Mark's Episcopal Chapel (Corinna Township, Minnesota)
- St. Mark's Episcopal Church (Ashland, New Hampshire)
- St. Mark's Episcopal Church (Augusta, Maine)
- St. Mark's Episcopal Church (Beaver Dam, Wisconsin)
- St. Mark's Episcopal Church (Boston, Massachusetts)
- St. Mark's Episcopal Church (Cheyenne, Wyoming)
- St. Mark's Episcopal Church (Fort Montgomery, New York)
- St. Mark's Episcopal Church (Green Island, New York)
- St. Mark's Episcopal Church (Haines City, Florida)
- St. Mark's Episcopal Church (Halifax, North Carolina)
- St. Mark's Episcopal Church (Hoosick Falls, New York)
- St. Mark's Episcopal Church (Hope, Arkansas)
- St. Mark's Episcopal Church (Huntersville, North Carolina)
- St. Mark's Episcopal Church (Jim Thorpe, Pennsylvania)
- St. Mark's Episcopal Church (Kingston, Maryland)
- St. Mark's Episcopal Church (Lappans, Maryland)
- St. Mark's Episcopal Church (Mt. Kisco, New York)
- St. Mark's Episcopal Church (Palatka, Florida)
- St. Mark's Episcopal Church (Philadelphia)
- St. Mark's Episcopal Church (Pinewood, South Carolina)
- St. Mark's Episcopal Church (San Antonio, Texas)
- St. Mark's Episcopal Church (Shreveport, Louisiana)
- St. Mark's Episcopal Church (St. Albans, West Virginia)
- St. Mark's Episcopal Church (Tonopah, Nevada)
- St. Mark's Episcopal Church (Wadsworth, Ohio)
- St. Mark's Episcopal Church (Washington, D.C.)
- St. Mark's Episcopal Church (West Orange, New Jersey)
- St. Mark's Episcopal Church (Worcester, Massachusetts)
- St. Mark's Episcopal Church, Guild Hall and Vicarage
- St. Mark's Evangelical Lutheran Church (Middleburgh, New York)
- St. Mark's Historic District
- St. Mark's Lutheran Church (Elberta, Alabama)
- St. Mark's Lutheran Church (Guilderland, New York)
- St. Mark's Methodist Church (Brookline, Massachusetts)
- St. Mark's Parish Church
- St. Mark's Pro-Cathedral (Hastings, Nebraska)
- St. Marks Light
- St. Marks Presbyterian Church (Rogersville, Tennessee)
- St. Martha's AME Church and Parsonage
- St. Martin Island Light
- St. Martin Parish Courthouse
- St. Martin of Tours Catholic Church (St. Martinville, Louisiana)
- St. Martin of Tours Episcopal Church
- St. Martin's Catholic Church
- St. Martin's Catholic Church and Grotto
- St. Martin's Episcopal Church (Showell, Maryland)
- St. Martini Evangelical Lutheran Church
- St. Mary Cathedral (Lansing, Michigan)
- St. Mary Cathedral Basilica (Galveston, Texas)
- St. Mary Congregational Church
- St. Mary Help of Christians Church (Aiken, South Carolina)
- St. Mary Help of Christians Church (St. Augusta, Minnesota)
- St. Mary Historic District (Lafayette, Indiana)
- St. Mary Magdalen Church
- St. Mary Utility Area Historic District
- St. Mary of Victories Church
- St. Mary of the Angels Church and Monastery
- St. Mary of the Angels Motherhouse Complex (Amherst, New York)
- St. Mary of the Annunciation Catholic Church (Charleston, South Carolina)
- St. Mary of the Annunciation Catholic Church (Portsmouth, Ohio)
- St. Mary of the Assumption Catholic Church, School and Grottoes
- St. Mary of the Assumption Church (Fort Worth)
- St. Mary of the Assumption Church (Laurin, Montana)
- St. Mary of the Assumption Church and School
- St. Mary of the Immaculate Conception Church (Morges, Ohio)
- St. Mary of the Immaculate Conception Church (Wilmington, Delaware)
- St. Mary of the Lakes Catholic Church
- St. Mary of the Visitation Catholic Church (Huntsville, Alabama)
- St. Mary's Abbey Church
- St. Mary's Academy (Davenport, Iowa)
- St. Mary's Academy (Devils Lake, North Dakota)
- St. Mary's Academy Historic District (Monroe, Michigan)
- St. Mary's Assumption Church (Cottonport, Louisiana)
- St. Mary's Assumption Church (New Orleans, Louisiana)
- St. Mary's Basilica (Phoenix)
- St. Mary's Beneficial Society Hall (Upper Marlboro, Maryland)
- St. Mary's By the River
- St. Mary's Cathedral (Colorado Springs, Colorado)
- St. Mary's Catholic Cathedral (Cheyenne, Wyoming)
- St. Mary's Catholic Church (Boise, Idaho)
- St. Mary's Catholic Church (Brenham, Texas)
- St. Mary's Catholic Church (Caldwell, Idaho)
- St. Mary's Catholic Church (Davenport, Iowa)
- St. Mary's Catholic Church (Dayton, Ohio)
- St. Mary's Catholic Church (Delaware, Ohio)
- St. Mary's Catholic Church (Fredericksburg, Texas)
- St. Mary's Catholic Church (Guttenberg, Iowa)
- St. Mary's Catholic Church (Helena-West Helena, Arkansas)
- St. Mary's Catholic Church (Indianapolis, Indiana)
- St. Mary's Catholic Church (Kaukauna, Wisconsin)
- St. Mary's Catholic Church (Massillon, Ohio)
- St. Mary's Catholic Church (Medora, North Dakota)
- St. Mary's Catholic Church (Memphis, Tennessee)
- St. Mary's Catholic Church (Nashville, Tennessee)
- St. Mary's Catholic Church (Nichols, Iowa)
- St. Mary's Catholic Church (Paragould, Arkansas)
- St. Mary's Catholic Church (Purcell, Kansas)
- St. Mary's Catholic Church (Riverside, Iowa)
- St. Mary's Catholic Church (Salem, South Dakota)
- St. Mary's Catholic Church (Sandusky, Ohio)
- St. Mary's Catholic Church (Winchester, Massachusetts)
- St. Mary's Cemetery (Lawrence County, Tennessee)
- St. Mary's Chapel (Hillsborough, North Carolina)
- St. Mary's Chapel (Raleigh, North Carolina)
- St. Mary's Church (Abingdon, Maryland)
- St. Mary's Church (Adair, Missouri)
- St. Mary's Church (Albany, New York)
- St. Mary's Church (Augusta, Maine)
- St. Mary's Church (Beaverville, Illinois)
- St. Mary's Church (Fairfax Station, Virginia)
- St. Mary's Church (Newport, Rhode Island)
- St. Mary's Church (Rochester, New York)
- St. Mary's Church (South River, New Jersey)
- St. Mary's Church (St. Benedict, Kansas)
- St. Mary's Church (Stamford, Connecticut)
- St. Mary's Church (Wharton, New Jersey)
- St. Mary's Church Complex Historic District (Monroe, Michigan)
- St. Mary's Church Non-contiguous Historic District
- St. Mary's Church and Cemetery (Crompton, Rhode Island)
- St. Mary's Church and Rectory (Iowa City, Iowa)
- St. Mary's Church of Gilberts
- St. Mary's Church of the Assumption (Praha, Texas)
- St. Mary's Church of the Immaculate Conception Complex
- St. Mary's Church of the Purification (Marystown, Minnesota)
- St. Mary's Church, School and Convent
- St. Mary's City, Maryland
- St. Mary's College (Kentucky)
- St. Mary's Complex (Taunton, Massachusetts)
- St. Mary's Convent
- St. Mary's Covered Bridge
- St. Mary's Episcopal Cathedral (Memphis, Tennessee)
- St. Mary's Episcopal Church (Asheville, North Carolina)
- St. Mary's Episcopal Church (Brooklyn)
- St. Mary's Episcopal Church (Dorchester, Massachusetts)
- St. Mary's Episcopal Church (East Providence, Rhode Island)
- St. Mary's Episcopal Church (Elverson, Pennsylvania)
- St. Mary's Episcopal Church (Emmett, Idaho)
- St. Mary's Episcopal Church (Fayette, Missouri)
- St. Mary's Episcopal Church (Flandreau, South Dakota)
- St. Mary's Episcopal Church (Franklin, Louisiana)
- St. Mary's Episcopal Church (Green Cove Springs, Florida)
- St. Mary's Episcopal Church (Kansas City, Missouri)
- St. Mary's Episcopal Church (Madison, Florida)
- St. Mary's Episcopal Church (Middlesboro, Kentucky)
- St. Mary's Episcopal Church (Monticello, Arkansas)
- St. Mary's Episcopal Church (Newton Lower Falls, Massachusetts)
- St. Mary's Episcopal Church (Springfield Center, New York)
- St. Mary's Episcopal Church (Washington, D.C.)
- St. Mary's Episcopal Church (Weyanoke, Louisiana)
- St. Mary's Episcopal Church (Woodlawn, Maryland)
- St. Mary's Episcopal Church and Rectory (Milton, Florida)
- St. Mary's Episcopal Church, Burlington, New Jersey
- St. Mary's Institute of O'Fallon
- St. Mary's Mission (Montana)
- St. Mary's Nurses' Residence
- St. Mary's Orthodox Church (West Virginia)
- St. Mary's Parochial School
- St. Mary's Rectory (Aquasco, Maryland)
- St. Mary's Rectory (Cumberland, Wisconsin)
- St. Mary's Rectory (Iowa City, Iowa)
- St. Mary's Rectory (Sandusky, Ohio)
- St. Mary's Roman Catholic Church (Elyria, Ohio)
- St. Mary's Roman Catholic Church (Mount Angel, Oregon)
- St. Mary's Roman Catholic Church (Newport, Maryland)
- St. Mary's Roman Catholic Church (Port Washington, Wisconsin)
- St. Mary's Roman Catholic Church Complex (Waltham, Massachusetts)
- St. Mary's School (Wilmington, Delaware)
- St. Mary's Seminary Chapel
- St. Mary's of the Barrens Catholic Church (Perryville, Missouri)
- St. Mary's of the Mountain Church
- St. Mary's – St. Alphonsus Regional Catholic School
- St. Mary's, Whitechapel
- St. Mary's-By-The-Sea (Northeast Harbor, Maine)
- St. Marys Historic District (Georgia)
- St. Marys Historic District (St. Marys, Pennsylvania)
- St. Mathias Cemetery, Wrought-Iron Cross Site
- St. Matthew Evangelical Lutheran School
- St. Matthew's Cathedral (Laramie, Wyoming)
- St. Matthew's Chapel A.M.E. Church
- St. Matthew's Church (Central Falls, Rhode Island)
- St. Matthew's Church (Champlain, Virginia)
- St. Matthew's Church (Seat Pleasant, Maryland)
- St. Matthew's Episcopal Church (Barrington, Rhode Island)
- St. Matthew's Episcopal Church (Kenosha, Wisconsin)
- St. Matthew's Episcopal Church (National City, California)
- St. Matthew's Episcopal Church (Queens)
- St. Matthew's Episcopal Church (Worcester, Massachusetts)
- St. Matthew's Episcopal Church and Churchyard
- St. Matthew's Lutheran Church
- St. Matthew's by the Bridge Episcopal Church
- St. Matthews School (North Carolina)
- St. Matthias Episcopal Church (Asheville, North Carolina)
- St. Matthias Episcopal Church (Waukesha, Wisconsin)
- St. Matthias Mission
- St. Matthias Roman Catholic Church
- St. Matthias' Episcopal Church (Omaha, Nebraska)
- St. Maurice Methodist Church
- St. Michael Redoubt Site
- St. Michael and All Angels Episcopal Church (Anniston, Alabama)
- St. Michael the Archangel Church (Cleveland, Ohio)
- St. Michael the Archangel Church (Cordova, Alaska)
- St. Michael's Anglican Church (Charleston, South Carolina)
- St. Michael's Cathedral (Sitka, Alaska)
- St. Michael's Catholic Church (Cedar Hill, Tennessee)
- St. Michael's Catholic Church (Holbrook, Iowa)
- St. Michael's Catholic Church (Mechanicsburg, Ohio)
- St. Michael's Catholic Church (Tarnov, Nebraska)
- St. Michael's Catholic Church Complex
- St. Michael's Church (Grand Forks, North Dakota)
- St. Michael's Church (Marblehead, Massachusetts)
- St. Michael's Church (Reisterstown, Maryland)
- St. Michael's Church (Trenton, New Jersey)
- St. Michael's Church Complex
- St. Michael's Church Historic District
- St. Michael's Creole Benevolent Association Hall
- St. Michael's Episcopal Church (Anaheim, California)
- St. Michael's Episcopal Church (Birdsboro, Pennsylvania)
- St. Michael's Episcopal Church (Manhattan)
- St. Michael's Hospital and Nurses' Residence
- St. Michael's Mission (Ethete, Wyoming)
- St. Michael's Mission (Window Rock, Arizona)
- St. Michael's Parochial School
- St. Michael's Roman Catholic Church
- St. Michael's Roman Catholic Church, Convent, Rectory, and School
- St. Michaels Historic District
- St. Monica's Church (Queens)
- St. Nicholas Antiochian Orthodox Cathedral (Brooklyn)
- St. Nicholas Byzantine Catholic Church
- St. Nicholas Catholic Church (Osgood, Ohio)
- St. Nicholas Catholic Church (Passaic, New Jersey)
- St. Nicholas Catholic Church (Zanesville, Ohio)
- St. Nicholas Chapel (Ekuk, Alaska)
- St. Nicholas Chapel (Igiugig, Alaska)
- St. Nicholas Chapel (Nondalton, Alaska)
- St. Nicholas Chapel (Pedro Bay, Alaska)
- St. Nicholas Chapel (Sand Point, Alaska)
- St. Nicholas Chapel (Seldovia, Alaska)
- St. Nicholas Church (Nikolski, Alaska)
- St. Nicholas Church (Pilot Point, Alaska)
- St. Nicholas Croatian Church (Millvale, Pennsylvania)
- St. Nicholas Historic District
- St. Nicholas Hotel (Albany, Georgia)
- St. Nicholas Hotel (Springfield, Illinois)
- St. Nicholas III
- St. Nicholas Orthodox Church (Minnesota)
- St. Nicholas Orthodox Church and Rectory
- St. Nicholas Russian Orthodox Church (Juneau, Alaska)
- St. Nicholas Russian Orthodox Church (Kwethluk, Alaska)
- St. Nicholas Ukrainian Catholic Church
- St. Nicholas Ukrainian Catholic Church (Wilmington, Delaware)
- St. Nicholas VI (boat)
- St. Nicholas of Tolentine Church
- St. Norbert College Historic District
- St. Olaf Auditorium
- St. Olaf College
- St. Olaf Lutheran Church (Devils Lake, North Dakota)
- St. Oswald's Protestant Episcopal Church
- St. Patrick Cathedral (Fort Worth, Texas)
- St. Patrick Catholic Church (Portland, Oregon)
- St. Patrick Church (Imogene, Iowa)
- St. Patrick Mission Church
- St. Patrick's Cathedral (Midtown Manhattan)
- St. Patrick's Catholic Church (Atchison, Kansas)
- St. Patrick's Catholic Church (Georgetown, Iowa)
- St. Patrick's Catholic Church (Glynwood, Ohio)
- St. Patrick's Catholic Church (Louisville, Kentucky)
- St. Patrick's Catholic Church (Loxley, Alabama)
- St. Patrick's Catholic Church (Meridian, Mississippi)
- St. Patrick's Catholic Church (Newcastle, Maine)
- St. Patrick's Catholic Church (Perry, Iowa)
- St. Patrick's Catholic Church (St. Patrick, Ohio)
- St. Patrick's Catholic Church (Toledo, Ohio)
- St. Patrick's Catholic Church (Wellington, Ohio)
- St. Patrick's Catholic Church (West Pointe à la Hache, Louisiana)
- St. Patrick's Catholic Church and Rectory
- St. Patrick's Catholic Church, Cedar
- St. Patrick's Church (Cumming, Iowa)
- St. Patrick's Church (Eau Claire, Wisconsin)
- St. Patrick's Church (Fall River, Massachusetts)
- St. Patrick's Church (Garryowen, Iowa)
- St. Patrick's Church (Lowell, Massachusetts)
- St. Patrick's Church (New Orleans, Louisiana)
- St. Patrick's Church (Syracuse, New York)
- St. Patrick's Farm
- St. Patrick's Old Cathedral
- St. Patrick's Parish Complex
- St. Patrick's Parish and Buildings
- St. Patrick's Parochial Residence-Convent and School
- St. Patrick's Roman Catholic Church (Adell, Wisconsin)
- St. Patrick's Roman Catholic Church (Bisbee, Arizona)
- St. Patrick's Roman Catholic Church (Cowansville, Pennsylvania)
- St. Patrick's Roman Catholic Church (Lagro, Indiana)
- St. Patrick's Roman Catholic Church (Madison, Wisconsin)
- St. Patrick's Roman Catholic Church (Milwaukee, Wisconsin)
- St. Patrick's Roman Catholic Church (Racine, Wisconsin)
- St. Paul A.M.E. Church (Columbia, Missouri)
- St. Paul A.M.E. Church (Harrington, Delaware)
- St. Paul A.M.E. Church (Raleigh, North Carolina)
- St. Paul African Methodist Episcopal Church (Coatesville, Pennsylvania)
- St. Paul African Methodist Episcopal Church (Fayetteville, Tennessee)
- St. Paul Baptist Church (St. Albans, West Virginia)
- St. Paul Baptist Church (Tarboro, North Carolina)
- St. Paul Baptist Church and Cemetery
- St. Paul Baptist Church-Morehead School
- St. Paul Block
- St. Paul Camp Ground
- St. Paul Catholic Church (Center, Missouri)
- St. Paul Church (Over the Rhine)
- St. Paul Evangelical Lutheran Church (Appleton, Wisconsin)
- St. Paul Historic District (St. Paul, Virginia)
- St. Paul Lutheran Church (Davenport, Iowa)
- St. Paul Lutheran Church (Mansura, Louisiana)
- St. Paul Lutheran School
- St. Paul Methodist Episcopal Church (Rushville, Indiana)
- St. Paul Missionary Baptist Church
- St. Paul Presbyterian Church (Lowland, Tennessee)
- St. Paul Roman Catholic Church (St. Paul, Oregon)
- St. Paul School Building
- St. Paul United Methodist Church (Cedar Rapids, Iowa)
- St. Paul the Apostle Church (Manhattan)
- St. Paul's (Zion's) Evangelical Lutheran Church
- St. Paul's African Methodist Episcopal Church (Urbana, Ohio)
- St. Paul's Armenian Apostolic Church
- St. Paul's Cathedral (Buffalo, New York)
- St. Paul's Cathedral (Oklahoma City)
- St. Paul's Catholic Church (Portsmouth, Virginia)
- St. Paul's Chapel
- St. Paul's Chapel (Crownsville, Maryland)
- St. Paul's Church (Brownville, New York)
- St. Paul's Church (Chittenango, New York)
- St. Paul's Church (Fairlee, Maryland)
- St. Paul's Church (Lynchburg, Virginia)
- St. Paul's Church (New Melle, Missouri)
- St. Paul's Church (North Kingstown, Rhode Island)
- St. Paul's Church (Owego, New York)
- St. Paul's Church Rectory
- St. Paul's Church and Cemetery (Newton, North Carolina)
- St. Paul's Church and Cemetery (Paris Hill, New York)
- St. Paul's Church and Rectory
- St. Paul's Church, Edenton
- St. Paul's College, Washington, D.C.
- St. Paul's Episcopal (Orleans, New York)
- St. Paul's Episcopal Church (Alexandria, Virginia)
- St. Paul's Episcopal Church (Baltimore, Maryland)
- St. Paul's Episcopal Church (Beloit, Wisconsin)
- St. Paul's Episcopal Church (Blackfoot, Idaho)
- St. Paul's Episcopal Church (Brooklyn)
- St. Paul's Episcopal Church (Brunswick, Maine)
- St. Paul's Episcopal Church (Chattanooga, Tennessee)
- St. Paul's Episcopal Church (Cleveland, Ohio)
- St. Paul's Episcopal Church (Durant, Iowa)
- St. Paul's Episcopal Church (Elkins Park, Pennsylvania)
- St. Paul's Episcopal Church (Englewood, New Jersey)
- St. Paul's Episcopal Church (Evanston, Wyoming)
- St. Paul's Episcopal Church (Exton, Pennsylvania)
- St. Paul's Episcopal Church (Franklin, Tennessee)
- St. Paul's Episcopal Church (Fremont, Ohio)
- St. Paul's Episcopal Church (Georgetown, Delaware)
- St. Paul's Episcopal Church (Hanover, Virginia)
- St. Paul's Episcopal Church (Harlan, Iowa)
- St. Paul's Episcopal Church (Haymarket, Virginia)
- St. Paul's Episcopal Church (Henderson, Kentucky)
- St. Paul's Episcopal Church (Hicksville, Ohio)
- St. Paul's Episcopal Church (Hillsboro, Maryland)
- St. Paul's Episcopal Church (Ironton, Missouri)
- St. Paul's Episcopal Church (King George, Virginia)
- St. Paul's Episcopal Church (Magnolia Springs, Alabama)
- St. Paul's Episcopal Church (Medina, Ohio)
- St. Paul's Episcopal Church (Milwaukee, Wisconsin)
- St. Paul's Episcopal Church (Newport, Kentucky)
- St. Paul's Episcopal Church (Point of Rocks, Maryland)
- St. Paul's Episcopal Church (Port Townsend, Washington)
- St. Paul's Episcopal Church (Poughkeepsie, New York)
- St. Paul's Episcopal Church (Richmond, Virginia)
- St. Paul's Episcopal Church (Royalton, Vermont)
- St. Paul's Episcopal Church (Rugby, North Dakota)
- St. Paul's Episcopal Church (Selma, Alabama)
- St. Paul's Episcopal Church (Spring Valley, New York)
- St. Paul's Episcopal Church (Tombstone, Arizona)
- St. Paul's Episcopal Church (Troy, New York)
- St. Paul's Episcopal Church (Vernal, Utah)
- St. Paul's Episcopal Church (Watertown, New York)
- St. Paul's Episcopal Church (Watertown, Wisconsin)
- St. Paul's Episcopal Church (Yuma, Arizona)
- St. Paul's Episcopal Church Complex (Patchogue, New York)
- St. Paul's Episcopal Church and Cemetery
- St. Paul's Episcopal Church of East Cleveland
- St. Paul's Episcopal Church, Rock Creek Parish (Washington, D.C.)
- St. Paul's Evangelical Lutheran Church & Parsonage
- St. Paul's Evangelical Lutheran Church (Liberty, New York)
- St. Paul's German Evangelical Church
- St. Paul's German Presbyterian Church and Cemetery
- St. Paul's Lutheran Church (Hazen, North Dakota)
- St. Paul's Lutheran Church (Oak Hill, New York)
- St. Paul's Lutheran Church Historic District
- St. Paul's Lutheran Church, Parsonage and Cemetery
- St. Paul's Memorial Church (Staten Island)
- St. Paul's Memorial Episcopal Church and Guild Hall
- St. Paul's Methodist Church (Little Rock, South Carolina)
- St. Paul's Methodist Episcopal Church (Hartford, Connecticut)
- St. Paul's Methodist Episcopal Church (Point Arena, California)
- St. Paul's Methodist Episcopal Church (Westover, Maryland)
- St. Paul's Methodist Episcopal Church South
- St. Paul's Methodist Protestant Church (Culbertson, Nebraska)
- St. Paul's Mission
- St. Paul's Parish Church (Batesville, Arkansas)
- St. Paul's Parish Church (Brandywine, Maryland)
- St. Paul's Parish Church (Malden, Massachusetts)
- St. Paul's Protestant Episcopal Church (Tulls Corner, Maryland)
- St. Paul's Reformed Church (Navarre, Ohio)
- St. Paul's Reformed Church (Startown, North Carolina)
- St. Paul's Roman Catholic Church (New Bern, North Carolina)
- St. Paul's School (Virginia)
- St. Paul's Sunday School and Parish House
- St. Paul's Union Church and Cemetery
- St. Paul's United Church of Christ of Laramie
- St. Paul's United Methodist Church (Nyack, New York)
- St. Paul's by-the-sea Protestant Episcopal Church
- St. Pauli Norwegian Evangelical Lutheran Church
- St. Paulus Evangelisch Lutherischen Gemeinde
- St. Paulus Lutheran Church
- St. Paul–North Water Streets Historic District
- St. Peder's Dansk Evangelical Lutheran Kirke
- St. Peter (shipwreck)
- St. Peter A.M.E. Church
- St. Peter African Methodist Church
- St. Peter Armory
- St. Peter Cathedral (Marquette, Michigan)
- St. Peter the Apostle Catholic Church and Rectory
- St. Peter the Apostle Church
- St. Peter's AME Church
- St. Peter's AME Zion Church
- St. Peter's By-The-Sea Protestant Episcopal Church (Cape Neddick, Maine)
- St. Peter's Cathedral (Scranton, Pennsylvania)
- St. Peter's Catholic Church (Canton, Ohio)
- St. Peter's Catholic Church (Council Bluffs, Iowa)
- St. Peter's Catholic Church (Jefferson, South Dakota)
- St. Peter's Catholic Church (Rensselaer, Missouri)
- St. Peter's Catholic Church (Wibaux, Montana)
- St. Peter's Cemetery (Jefferson County, Arkansas)
- St. Peter's Church (Brownsville, Pennsylvania)
- St. Peter's Church (Manhattan)
- St. Peter's Church (Mansfield, Ohio)
- St. Peter's Church (Queenstown, Maryland)
- St. Peter's Church (Talleysville, Virginia)
- St. Peter's Church (West Bend, Wisconsin)
- St. Peter's Church and Buildings
- St. Peter's Church and Mount St. Joseph Convent Complex
- St. Peter's Church in the Great Valley
- St. Peter's Church, Chapel and Cemetery Complex
- St. Peter's Episcopal Church (Albany, New York)
- St. Peter's Episcopal Church (Bloomfield, New York)
- St. Peter's Episcopal Church (Carson City, Nevada)
- St. Peter's Episcopal Church (Clarksboro, New Jersey)
- St. Peter's Episcopal Church (Columbia, Tennessee)
- St. Peter's Episcopal Church (Freehold Borough, New Jersey)
- St. Peter's Episcopal Church (Harrisonville, Missouri)
- St. Peter's Episcopal Church (Milford, Connecticut)
- St. Peter's Episcopal Church (Neligh, Nebraska)
- St. Peter's Episcopal Church (Norfolk, Virginia)
- St. Peter's Episcopal Church (Oak Grove, Virginia)
- St. Peter's Episcopal Church (Oxford, Mississippi)
- St. Peter's Episcopal Church (Peekskill, New York)
- St. Peter's Episcopal Church (Perth Amboy, New Jersey)
- St. Peter's Episcopal Church (Philadelphia)
- St. Peter's Episcopal Church (Port Chester, New York)
- St. Peter's Episcopal Church (Ripon, Wisconsin)
- St. Peter's Episcopal Church (Seward, Alaska)
- St. Peter's Episcopal Church (Sheridan, Wyoming)
- St. Peter's Episcopal Church (Tacoma, Washington)
- St. Peter's Episcopal Church Complex (Auburn, New York)
- St. Peter's Episcopal Church Complex (Hobart, New York)
- St. Peter's Episcopal Church and Rectory
- St. Peter's Episcopal Church of Germantown
- St. Peter's Evangelical Lutheran Church (Lancaster, Ohio)
- St. Peter's Evangelical Lutheran Church (Milwaukee, Wisconsin)
- St. Peter's Evangelical Lutheran Church (Versailles, Ohio)
- St. Peter's First Community Church
- St. Peter's German Evangelical Church
- St. Peter's Kierch
- St. Peter's Lick Run Historic District
- St. Peter's Lutheran Church (South Dakota)
- St. Peter's Methodist Episcopal Church
- St. Peter's Mission Church and Cemetery
- St. Peter's Presbyterian Church
- St. Peter's Pro-Cathedral (Richmond, Virginia)
- St. Peter's Rock Baptist Church
- St. Peter's Roman Catholic Church (Ashton, Wisconsin)
- St. Peter's Roman Catholic Church (Echo, Oregon)
- St. Peter's Roman Catholic Church (Harpers Ferry, West Virginia)
- St. Peter's Roman Catholic Church (Lindsay, Texas)
- St. Peter's Roman Catholic Church-St. Mary's School
- St. Peter's Square (Fort Wayne, Indiana)
- St. Peter's and St. Joseph's Catholic Churches
- St. Peter's by-the-Sea Episcopal Church (Sitka, Alaska)
- St. Peters Catholic Church (Worcester, Massachusetts)
- St. Peters United Evangelical Lutheran Church
- St. Petersburg High School
- St. Petersburg Lawn Bowling Club
- St. Petersburg Woman's Club
- St. Philip Neri Parish Historic District
- St. Philip's Church (Charleston, South Carolina)
- St. Philip's Church in the Highlands
- St. Philip's Church, Brunswick Town
- St. Philip's Episcopal Church (Bradford Springs, South Carolina)
- St. Philip's Episcopal Church (Brevard, North Carolina)
- St. Philip's Episcopal Church (Circleville, Ohio)
- St. Philip's Episcopal Church (Germanton, North Carolina)
- St. Philip's Episcopal Church (Harrodsburg, Kentucky)
- St. Philip's Episcopal Church (Manhattan)
- St. Philip's Episcopal Church (Rosebud, Montana)
- St. Philip's Episcopal Church (Trenton, Missouri)
- St. Philip's Episcopal Church (Wrangell, Alaska)
- St. Philip's Roman Catholic Church (Statesville, North Carolina)
- St. Philip's in the Hills Episcopal Church
- St. Philips Moravian Church
- St. Phillip School
- St. Philomene Catholic Church and Rectory
- St. Pius X Catholic Church (Cincinnati, Ohio)
- St. Raphael's Catholic Church (Springfield, Ohio)
- St. Regis Mountain Fire Observation Station
- St. Regis Presbyterian Church
- St. Remy's Catholic Church
- St. Richard's Catholic Church
- St. Richard's Church (Columbia Falls, Montana)
- St. Richard's Manor
- St. Rita's Colored Catholic Mission
- St. Rocco's Roman Catholic Church
- St. Rose Church (Cincinnati, Ohio)
- St. Rose Priory
- St. Rose Roman Catholic Church Complex (Lima, New York)
- St. Rose of Lima Catholic Church and School Complex
- St. Rose of Viterbo Convent
- St. Rose's Catholic Church (St. Rose, Ohio)
- St. Scholastica Catholic Church and Rectory
- St. Sebastian's Catholic Church (Sebastian, Ohio)
- St. Seraphim Chapel
- St. Sergius Chapel
- St. Severin's Old Log Church
- St. Simons Island Light
- St. Sophia Home of the Little Sisters of the Poor
- St. Stanislaus Bishop and Martyr Roman Catholic Church
- St. Stanislaus Catholic Church (Lewiston, Idaho)
- St. Stanislaus Church Historic District
- St. Stanislaus Institute
- St. Stanislaus Kostka Church (Pittsburgh)
- St. Stanislaus Kostka Church (St. Louis, Missouri)
- St. Stanislaus Kostka Mission
- St. Stanislaus Kostka School and Convent House
- St. Stanislaus Seminary
- St. Stefan's Romanian Orthodox Church
- St. Stephan's Church (Ironbound, Newark, New Jersey)
- St. Stephen Church and Rectory
- St. Stephen's AME Church (Sandusky, Ohio)
- St. Stephen's African Methodist Episcopal Church
- St. Stephen's Catholic Church (Cleveland, Ohio)
- St. Stephen's Church (Boston, Massachusetts)
- St. Stephen's Church (Bradys Bend, Pennsylvania)
- St. Stephen's Church (Heathsville, Virginia)
- St. Stephen's Church (New Hartford, New York)
- St. Stephen's Episcopal Church (Ashland, Nebraska)
- St. Stephen's Episcopal Church (Beverly, New Jersey)
- St. Stephen's Episcopal Church (Casselton, North Dakota)
- St. Stephen's Episcopal Church (Chandler, Oklahoma)
- St. Stephen's Episcopal Church (Earleville, Maryland)
- St. Stephen's Episcopal Church (Innis, Louisiana)
- St. Stephen's Episcopal Church (Longmont, Colorado)
- St. Stephen's Episcopal Church (Newton, Iowa)
- St. Stephen's Episcopal Church (Olean, New York)
- St. Stephen's Episcopal Church (Philadelphia)
- St. Stephen's Episcopal Church (Ridgeway, South Carolina)
- St. Stephen's Episcopal Church (Schuylerville, New York)
- St. Stephen's Episcopal Church (St. Stephen, South Carolina)
- St. Stephen's Memorial Episcopal Church
- St. Stephen's Methodist Church
- St. Stephen's P.E. Church
- St. Stephens Courthouse
- St. Stephens, Alabama
- St. Teresa's Catholic Church (Hutchinson, Kansas)
- St. Thaddeus Episcopal Church
- St. Theodosius Russian Orthodox Cathedral
- St. Theresa Catholic Church (Rhodelia, Kentucky)
- St. Theresa of Avila Roman Catholic Church
- St. Therese Catholic Church (Beattyville, Kentucky)
- St. Therese of Lisieux Church (Louisville, Kentucky)
- St. Thomas African Methodist Episcopal Church
- St. Thomas Aquinas Chapel (Ojai, California)
- St. Thomas Aquinas Church (Zanesville, Ohio)
- St. Thomas Catholic Church (Coeur d'Alene, Idaho)
- St. Thomas Catholic High School for Boys
- St. Thomas Chapel
- St. Thomas Church (Orange, Virginia)
- St. Thomas Church (Owings Mills, Maryland)
- St. Thomas Church and Convent
- St. Thomas Episcopal Church (Alamosa, Colorado)
- St. Thomas Episcopal Church (Amenia Union, New York)
- St. Thomas Episcopal Church (Bath, North Carolina)
- St. Thomas Episcopal Church (Beattyville, Kentucky)
- St. Thomas Episcopal Church (Dover, New Hampshire)
- St. Thomas Episcopal Church (Glassboro, New Jersey)
- St. Thomas Episcopal Church (New Windsor, New York)
- St. Thomas Episcopal Church (Newark, Delaware)
- St. Thomas Episcopal Church (Pittstown, New Jersey)
- St. Thomas Episcopal Church (Port Clinton, Ohio)
- St. Thomas Episcopal Church (Sioux City, Iowa)
- St. Thomas Episcopal Church (Slaterville Springs, New York)
- St. Thomas Episcopal Church (Taunton, Massachusetts)
- St. Thomas Manor
- St. Thomas Memorial Cemetery
- St. Thomas Primitive Baptist Church
- St. Thomas Synagogue
- St. Thomas the Apostle Catholic Church (Detroit)
- St. Thomas' Church (Upper Marlboro, Maryland)
- St. Thomas' Episcopal Church (Canyon City, Oregon)
- St. Thomas' Episcopal Church Complex (Mamaroneck, New York)
- St. Thomas' Episcopal Parish Historic District
- St. Timothy's Protestant Episcopal Church
- St. Vincent De Paul Catholic Church (Cape Girardeau, Missouri)
- St. Vincent De Paul Roman Catholic Church (New Orleans, Louisiana)
- St. Vincent Villa Historic District
- St. Vincent de Paul Catholic Church (Bayonne, New Jersey)
- St. Vincent de Paul Catholic Church (Louisville, Kentucky)
- St. Vincent de Paul Catholic Church (Mobile, Alabama)
- St. Vincent de Paul Catholic Church (Newport News, Virginia)
- St. Vincent de Paul Church (Baltimore, Maryland)
- St. Vincent de Paul Church (Pontiac, Michigan)
- St. Vincent of Paul Catholic Church
- St. Vincent's Hospital (Normandy, Missouri)
- St. Vincent's Hotel
- St. Vrain Church of the Brethren
- St. Vrain's Mill
- St. Walburga's Academy
- St. Wenceslaus Catholic Church and Parish House
- St. Wenceslaus Church, Wisconsin
- St. William's Catholic Church (Long Lake, New York)
- Staacke Brothers Building
- Staats House (South Bound Brook, New Jersey)
- Staats Mill Covered Bridge
- Staatz House
- Stabler-Leadbeater Apothecary Shop
- Stabrie Grocery
- Stacey Hotel
- Stack Barn
- Stackpole, Moore, and Tryon Building
- Stacy Building
- Stacy's Tavern
- Stadium Building
- Stadium District, Tacoma, Washington
- Stadium Square Historic District
- Stadtmuller House
- Stafford First United Methodist Church
- Stafford Hill Memorial
- Stafford Hollow, Connecticut
- Stafford Mills
- Stafford Mineral Springs
- Stafford Plantation
- Stafford Reformed Presbyterian Church
- Stafford Training School
- Stafford Village Four Corners Historic District
- Stafford's Grocery
- Stafford–Olive Historic District
- Stage Coach Inn (Lapeer, New York)
- Stage House Inn
- Stagecoach Inn (California)
- Stagecoach Inn (Leicester, Vermont)
- Stagecoach Inn (Salado, Texas)
- Stagecoach Inn of Chappell Hill
- Stagg Hall
- Stagg House
- Staggs–Huffaker Building
- Stagville
- Stahl House
- Stahly–Nissley–Kuhns Farm
- Stairs Station Hydroelectric Power Plant Historic District
- Stallbohm Barn-Kaske House
- Stallings Island
- Stallings-Carpenter House
- Stalnaker Hall
- Stambaugh Auditorium
- Stambaugh Church of Christ
- Stamey Company Store
- Stamford Bridge (Cedar Butte, South Dakota)
- Stamford Harbor Ledge Light
- Stamper site
- Stamps Store
- Stan Hywet Hall and Gardens
- Stanardsville Historic District
- Stanbury Cottage
- Stancer Road–North Coldwater River Bridge
- Standard Adding Machine Company
- Standard Building (Columbus, Ohio)
- Standard Drug Company (Meridian, Mississippi)
- Standard Drug No. 2
- Standard Glass and Paint Company Building
- Standard House
- Standard Ice Company Building
- Standard Oil Building (Baltimore, Maryland)
- Standard Oil Building (Whittier, California)
- Standard Oil Company Filling Station
- Standard Oil Company Headquarters
- Standard Oil Company No. 16 (harbor tug)
- Standard Oil Gasoline Station (Odell, Illinois)
- Standard Oil Gasoline Station (Plainfield, Illinois)
- Standard Oil Red Crown Service Station
- Standard Oil Service Station
- Standard Paper Box Corporation
- Standard Printing Company
- Standard Yarn Company Building
- Standing Stone State Park
- Standish Corner Historic District
- Standish Hall (Standish, California)
- Standish station
- Standrod House
- Stanford station (Kentucky)
- Stanhope United Methodist Church
- Stanley House (Lima, New York)
- Stanley Institute
- Stanley Lake House
- Stanley Norman (skipjack)
- Stanley Patterson Hall
- Stanley Potato House
- Stanley School-District No. 2
- Stanley Simpson Farmstead Picking Shed
- Stanley Tavern
- Stanley Theater (Newark, New Jersey)
- Stanley Theater (Utica, New York)
- Stanley-Whitman House
- Stanley-Woodruff-Allen House
- Stannard House
- Stannard Rock Light
- Stannard Schoolhouse
- Stanton Airfield
- Stanton Carnegie Library
- Stanton Center
- Stanton College Preparatory School
- Stanton Family Cemetery
- Stanton Hall
- Stanton Masonic Lodge and School
- Stanton School
- Stanton Street Synagogue
- Stanton's Mill
- Stanton, New Jersey
- Stanton–Davis Homestead Museum
- Staple Bend Tunnel
- Stapleford–Hoover–Whitney House
- Staples station
- Staples-Crafts-Wiswall Farm
- Stapleton Building
- Star Barn Complex
- Star Building
- Star Camp (Star, Idaho)
- Star City Commercial Historic District
- Star City Confederate Memorial
- Star Engraving Company Building
- Star Garage
- Star Gazers' Stone
- Star Grange No. 9
- Star Hall (Moab, Utah)
- Star Hill AME Church
- Star Historic District
- Star Junction Historic District
- Star Milling and Electric Company Historic District
- Star Route and Palouse Street Brick Road
- Star Theatre (Argyle, Wisconsin)
- Star Theatre (Price, Utah)
- Star of Hope Lodge
- Star of India (ship)
- Star of the Sea Painted Church
- Star of the West
- Star-Clipper-Canfield Building and Winding Stairway
- Stark Building
- Stark County Courthouse (North Dakota)
- Stark County Courthouse (Ohio)
- Stark Covered Bridge
- Stark Park
- Stark Round Barn
- Stark Union Church
- Starke County Bridge No. 39
- Starke County Courthouse
- Starke Round Barn
- Starker–Leopold Historic District
- Starkey School
- Starkey United Methodist Church
- Starke–Meinershagen–Boeke Rural Historic District
- Starks Building
- Starksboro Village Meeting House
- Starkweather Hall
- Starkweather School
- Starl House
- Starlight station
- Starling Childs Camp
- Starling Grange
- Starr Clark Tin Shop
- Starr Family Home State Historic Site
- Starr Historic District
- Starr Hotel
- Starr House (Wilmington, Delaware)
- Starr Manor
- Starr Mill
- Starr Mill Road Bridge
- Starrucca Viaduct
- Startup Candy Factory
- Starved Rock Lock and Dam
- Starved Rock State Park
- State Armory (Springfield, Massachusetts)
- State Arsenal (Lincoln, Nebraska)
- State Arsenal (Providence, Rhode Island)
- State Arsenal and Armory
- State Bank Building (Collinsville, Illinois)
- State Bank and Trust Company Building
- State Bank of Antler
- State Bank of Edinburg
- State Bank of Girard
- State Bank of Hammond Building
- State Bank of Kamiah
- State Bank of Kooskia
- State Bank of Ladysmith
- State Bank of North Carolina
- State Bank of Spring Green
- State Bank of Stratford
- State Bank of Tennessee
- State Bank of Townsend
- State Bank of Wisconsin
- State Bridge (Eagle County, Colorado)
- State Center Commercial Historic District
- State Correctional Institution – Pittsburgh
- State Highway 19 Bridge at Trinity River
- State Highway 274 Bridge
- State Highway 29 Bridge at the Colorado River
- State Highway 3-A Bridge at Cibolo Creek
- State Highway 34 Bridge at the Trinity River
- State Highway 78 Bridge at the Red River
- State Highway 79 Bridge at the Red River
- State Highway 96 Bridge
- State Home and School for Dependent and Neglected Children
- State Hospital Gatehouse
- State House Historic District
- State Library of Oregon
- State Line Archeological District
- State Museum of Pennsylvania
- State National Bank (El Paso, Texas)
- State National Bank Building (Houston, Texas)
- State Normal Library
- State Normal School at Valley City Historic District
- State Normal Training School
- State Office Building (Madison, Wisconsin)
- State Park Supply Yard
- State Quarry, Iowa Men's Reformatory
- State Reform School Historic District
- State Savings Bank (Council Bluffs, Iowa)
- State Savings Bank (Logan, Iowa)
- State Savings Bank (Quasqueton, Iowa)
- State Savings Loan and Trust
- State Soldiers Home Barn
- State Street AME Zion Church
- State Street Baptist Church
- State Street Bridge (Bridgeport, Michigan)
- State Street Bridge (Erie, Kansas)
- State Street Bridge (Harrisburg, Pennsylvania)
- State Street Bridge (Mason City, Iowa)
- State Street Commercial Historic District
- State Street Historic District (Boise, Idaho)
- State Street Historic District (Carthage, New York)
- State Street Historic District (North Vernon, Indiana)
- State Street Historic District (Rochester, New York)
- State Street Houses
- State Street Methodist Episcopal Church
- State Street Public School
- State Street–Division Street Historic District
- State Street–Henry Street Historic District
- State Theater (Clovis, New Mexico)
- State Theater (Ithaca, New York)
- State Theater (Newark, Delaware)
- State Theater (Youngstown, Ohio)
- State Theatre (Easton, Pennsylvania)
- State Theatre (Kalamazoo, Michigan)
- State Theatre (Red Bluff, California)
- State and Eagle Streets Historic District
- State and Prospect District
- State of Pennsylvania (steamboat)
- Stateburg Historic District
- Stately Oaks
- Staten Island Borough Hall
- Staten Island Light
- Statenville Consolidated School
- States Ballroom
- Statesboro City Hall and Fire Station
- Statesview
- Statesville Commercial Historic District
- Station 13 Minneapolis Fire Department
- Station 28 Minneapolis Fire Department
- Station Avenue Business District
- Station Road Bridge
- Station Square
- Stationmaster's House
- Statue of Abraham Lincoln (Hodgenville, Kentucky)
- Statue of Abraham Lincoln (Jefferson, Iowa)
- Statue of Chief Seattle
- Statue of Christopher Columbus (Johnston, Rhode Island)
- Statue of Liberty
- Statue of Liberty National Monument
- Statue of Paul Bunyan (Portland, Oregon)
- Staudinger–Grumke House–Store
- Stauduhar House
- Staunton High School
- Staunton Hill (Brookneal, Virginia)
- Staunton National Cemetery
- Staunton River Battlefield State Park
- Staunton River State Park
- Staunton State Park
- Ste. Genevieve National Historical Park
- Stealey–Goff–Vance House
- Steam Engine Company No. 7
- Steamboat House (Dardanelle, Arkansas)
- Steamboat House (New Iberia, Louisiana)
- Steamboat Rock Consolidated Schools Building
- Steamboat Springs Depot
- Steamboat Springs Downtown Historic District
- Steamer Company Number 5
- Steamtown National Historic Site
- Stearns Administrative and Commercial District
- Stearns Building
- Stearns County Courthouse
- Stearns Golf Course
- Stearns Hill Farm
- Stearns Iron-Front Building
- Stearns Tavern
- Stearns–Wadsworth House
- Stebbins and Roberts Office Building and Factory
- Steckart and Falck Double Block
- Stedman & Fuller Manufacturing Company Complex
- Stedman–Thomas Historic District
- Steel Heddle Manufacturing Company Complex
- Steelcase Plants No. 2 and 3
- Steelcote Manufacturing Company Paint Factory
- Steele County Courthouse (Minnesota)
- Steele County Courthouse (North Dakota)
- Steele Creek Presbyterian Church and Cemetery
- Steele Creek Roadhouse
- Steele Dunning Historic District
- Steele Hall (Memphis, Tennessee)
- Steele Homestead
- Steele's Hill–Grafton Hill Historic District
- Steelton High School
- Steenburg Tavern
- Steep Falls Library
- Steephill (Staunton, Virginia)
- Steepletop
- Stefanie H. Weill Center for the Performing Arts
- Stegall General Store
- Steger–Nance House
- Stehekin School
- Steilacoom Catholic Church
- Stein Brothers Building
- Stein House (Ashland, Kansas)
- Stein Mill
- Steiner–Lobman and Teague Hardware Buildings
- Steinle Turret Machine Company
- Steinman Hardware Store
- Steinway Mansion
- Stella Pepper Gyles House
- Stellafane
- Stelljes House
- Stennis Space Center
- Stenton (mansion)
- Stephan A. Foley House
- Stephen A. Douglas Tomb
- Stephen A. Gerrard Mansion
- Stephen Allen House
- Stephen B. Quillen House
- Stephen Bacon House
- Stephen Ball House
- Stephen Barker House
- Stephen Beech Cleveland House
- Stephen Coffin House
- Stephen Condit House
- Stephen Cooke Brown House
- Stephen D. Lee House
- Stephen Decker Rowhouse
- Stephen F. Austin Elementary School
- Stephen Foster House (Topsfield, Massachusetts)
- Stephen Fowler Hale House
- Stephen Frazee House
- Stephen G. Bourne House
- Stephen Grannis House
- Stephen Hall House
- Stephen Harding House
- Stephen Harnsberger House
- Stephen Harris Taft House
- Stephen Hastings House
- Stephen Hogeboom House
- Stephen L. Goodman House
- Stephen Longfellow House
- Stephen M. Jones Building
- Stephen Meredith House
- Stephen Miller House
- Stephen Northup House
- Stephen Pangburn House
- Stephen Parsons House
- Stephen Phelps House
- Stephen Richard House
- Stephen Rowe Bradley House
- Stephen Sherrill House
- Stephen Simmons House
- Stephen Storm House
- Stephen Symmes Jr. House
- Stephen T. Birdsall House
- Stephen Taber (schooner)
- Stephen Turner House
- Stephen Tyng Mather Home
- Stephen Van Rensselaer House
- Stephen Vincent Benét House
- Stephen Warren House
- Stephen William Brown Stone House
- Stephen Winsor House
- Stephen Wright House
- Stephen and Charles Smith House
- Stephen and Harriet Myers Residence
- Stephen and Parthena M. Blank House
- Stephens College South Campus Historic District
- Stephens County Courthouse (Georgia)
- Stephens Homestead
- Stephenson County Courthouse
- Stephenson House (Oakman, Alabama)
- Stephenson Underwear Mill
- Stephenson–Campbell House
- Stepping Stones (house)
- Stepping Stones Light
- Sterick Building
- Sterling Block-Bishop Arcade
- Sterling Center Historic District
- Sterling Congregational Church
- Sterling Cotton Mill
- Sterling District No. 5 Schoolhouse
- Sterling Free Public Carnegie Library
- Sterling Grist Mill Complex
- Sterling Grove Historic District
- Sterling Hill Historic District (Bridgeport, Connecticut)
- Sterling Hill Historic District (Plainfield and Sterling, Connecticut)
- Sterling Hill Mining Museum
- Sterling Homestead
- Sterling Masonic Temple
- Sterling Methodist Church
- Sterling Mountain Fire Observation Tower and Observer's Cabin
- Sterling North
- Sterling Opera House
- Sterling Public Library
- Sternbergh House
- Sterne–Hoya House Museum and Library
- Sternwheeler Jean
- Sterrett Brothers' Dry Goods Store
- Sterrett Sub-District School
- Sterry Hall
- Stetson Hall
- Stetson House
- Stetson Union Church
- Stetson University Campus Historic District
- Stetson–Ford House
- Steuben County Courthouse
- Steuben County Jail
- Steuben House
- Steuben Memorial State Historic Site
- Steven House
- Stevens Building (Portland, Oregon)
- Stevens Building (San Antonio, Texas)
- Stevens High School (Lancaster, Pennsylvania)
- Stevens House (Tiskilwa, Illinois)
- Stevens Linen Works Historic District
- Stevens Memorial Hall
- Stevens Pass Historic District
- Stevens School (York, Pennsylvania)
- Stevens Square, Minneapolis
- Stevens Street Historic District
- Stevens' Building
- Stevens-Buchanan House
- Stevenson Cottage
- Stevenson Dam Hydroelectric Plant
- Stevenson Historic District
- Stevenson House (Bloomington, Illinois)
- Stevenson House (New Bern, North Carolina)
- Stevenson Peters House
- Stevenson Railroad Depot and Hotel
- Stevenson-Frink Farm
- Stevensville Bank
- Stevensville Historic District
- Stevens–Dorn Farmstead
- Stevens–Gilchrist House
- Stevens–Sommerfeldt House
- Stewart Avenue Bridge
- Stewart Bridge (Walden, Oregon)
- Stewart Cobblestone Farmhouse
- Stewart County Courthouse
- Stewart Creek Bridge
- Stewart Free Library
- Stewart Hall (Morgantown, West Virginia)
- Stewart Home School
- Stewart House (Little Rock, Arkansas)
- Stewart House and Howard–Stewart Family Cemetery
- Stewart Indian School
- Stewart Library
- Stewart Manor (Charles B. Sommers House)
- Stewart Memorial Presbyterian Church
- Stewart Mountain Dam
- Stewart Park (Ithaca, New York)
- Stewart Ranch
- Stewart's Department Store
- Stewart's Tavern
- Stewart-Anderson House
- Stewart-Hawley-Malloy House
- Stewart-Studebaker House
- Stewart-Woolley House
- Stewartfield (Mobile, Alabama)
- Stewartstown Engine House, Stewartstown Railroad
- Stewartstown station (Pennsylvania)
- Stewart–Blanton House
- Stewart–Hills House
- Stewart–Hinton House
- Stewart–Lee House
- Steyer Bridge
- Steyer Opera House
- Stibnite Mining District
- Stickney House (Lockport, New York)
- Stickney-Shepard House
- Stidham United Methodist Church
- Stiefelmeyer's
- Stieff Silver Company Factory
- Stiegel-Coleman House
- Stifel Theatre
- Stiklestad United Lutheran Church
- Stiles-Hinson House
- Still Hopes
- Still Pond Historic District
- Still River Baptist Church
- Stillman College
- Stillman Farmstead
- Stillman Parker House
- Stillman Pratt House
- Stillman Willis House
- Stillman's Run Battle Site
- Stillwater Bridge (Salmon River, New York)
- Stillwater Bridge (St. Croix River)
- Stillwater Commercial Historic District
- Stillwater Covered Bridge No. 134
- Stillwater Marsh
- Stillwater Overlook
- Stillwater State Park
- Stillwater United Church
- Stillwater station
- Stillwater station (Minnesota)
- Stillwell-Preston House
- Stilwell Stone House
- Stilwill-Westbrook Stone House
- Stimson Avenue Historic District
- Stimson House
- Stimson Memorial Hall
- Stine Building
- Stinesville Commercial Historic District
- Stinson Memorial Library
- Stipe Cotton Gin
- Stirling (Massaponax, Virginia)
- Stirling (Reading, Pennsylvania)
- Stites House
- Stitt House
- Stivers School for the Arts
- Stock Center
- Stock Judging Pavilion (Oskaloosa, Iowa)
- Stock Pavilion
- Stockade Historic District
- Stockbrands and Kemmerer Department Store
- Stockbridge Casino
- Stockbridge Common Historic District
- Stockbridge Four Corners Bridge
- Stockbridge House
- Stockbridge Indian Cemetery
- Stockbridge Town Hall
- Stockdale Mill
- Stockgrowers Bank
- Stockgrowers State Bank
- Stockheughter Covered Bridge
- Stockholm Swedish Lutheran Church and Cemetery
- Stockholm United Methodist Church
- Stockholm–DeKalb–Hart Historic District
- Stockmen's Bank of Martinsdale
- Stockmore Ranger Station
- Stockton (Woodville, North Carolina)
- Stockton Building
- Stockton Community Building
- Stockton Hall
- Stockton Jail
- Stockton Methodist Church
- Stockton Savings and Loan Society Bank
- Stockton School
- Stockton Springs Community Church
- Stockton Street Historic District
- Stockton-Curry House
- Stockton-Lindquist House
- Stockton-Montmorency
- Stockton-Ray House
- Stockyards Exchange
- Stoddard County Courthouse
- Stoddard–O'Connor House
- Stoddart Block
- Stoddartsville Historic District
- Stoe Creek Bridge
- Stoke (Loudoun County, Virginia)
- Stokely-Van Camp Industrial Complex
- Stokenbury Cemetery
- Stoker House
- Stokes Castle
- Stokes County Courthouse
- Stokes House (Evening Shade, Arkansas)
- Stokes-Evans House
- Stokes-Lee House
- Stokes-Mayfield House
- Stokesdale Historic District
- Stoll Bottling Works
- Stolley Homestead Site
- Stolp Island
- Stolp Woolen Mill Store
- Stoltz House
- Stomner House
- Stonaker Cottage
- Stone Academy (Solon, Iowa)
- Stone Arabia School
- Stone Arch Bridge (Champaign, Illinois)
- Stone Arch Bridge (Danville, Illinois)
- Stone Arch Bridge (Keene, New Hampshire)
- Stone Arch Bridge (Keeseville, New York)
- Stone Arch Bridge (Kenoza Lake, New York)
- Stone Arch Bridge over McCormick's Creek
- Stone Arch Road Bridge, Stewartstown Railroad
- Stone Arch Underpass
- Stone Avenue Underpass
- Stone Barn (Guttenberg, Iowa)
- Stone Barn Farm
- Stone Barn on Brushy Creek
- Stone Bridge (Hartford, Connecticut)
- Stone Bridge and the Oregon Central Military Wagon Road
- Stone Building
- Stone Chapel
- Stone City Historic District
- Stone County Courthouse (Arkansas)
- Stone County Courthouse (Missouri)
- Stone Eagles
- Stone Farm (Dublin, New Hampshire)
- Stone Farmhouse
- Stone Grist Mill Complex
- Stone Hall (Cockeysville, Maryland)
- Stone Hall (Ithaca, New York)
- Stone Hall, Nashville
- Stone Hedge (Polk County, North Carolina)
- Stone Hill Historic District
- Stone Hill Winery
- Stone House (Bridgton, Maine)
- Stone House (Fayetteville, Arkansas)
- Stone House (Le Claire, Iowa)
- Stone House (Lexington, Virginia)
- Stone House (Taunton, Massachusetts)
- Stone House Inn
- Stone House Mansion
- Stone House Site
- Stone House by the Stone House Brook
- Stone House of Indian Creek
- Stone House on Kentucky River
- Stone House on Tanner's Creek
- Stone Jail Building and Row House
- Stone Jug
- Stone Manor
- Stone Manse
- Stone Mill (Middlebury, Vermont)
- Stone Mills Union Church
- Stone Plantation
- Stone Post Office
- Stone Quarry Bridge
- Stone Ranch Stage Station
- Stone Row
- Stone School (Ann Arbor, Michigan)
- Stone School (Le Claire, Iowa)
- Stone School (Newmarket, New Hampshire)
- Stone Schoolhouse
- Stone Spillway, National Defense Stockpile Center
- Stone Street (Manhattan)
- Stone Street Baptist Church
- Stone Street Historic District (New Hamburg, New York)
- Stone Tavern at Roney's Point
- Stone Village Historic District
- Stone Wall Ranch
- Stone Warehouse (Casa Grande, Arizona)
- Stone's Bridge
- Stone's Trace
- Stone-Darracott House
- Stonebraker and Harbaugh–Shafer Building
- Stonebrook
- Stonecrest (Bedford Corners, New York)
- Stonecrest (Rhinebeck, New York)
- Stonefield (Charlottesville, Virginia)
- Stonefield (Wisconsin)
- Stonega Historic District
- Stonehall (Marshall, Michigan)
- Stoneham Firestation
- Stoneham Public Library
- Stoneham station
- Stonehaven (Media, Pennsylvania)
- Stonehenge (Dublin, New Hampshire)
- Stoneholm
- Stonehouse Farm
- Stonelake Bridge
- Stoneleigh (Charleston, West Virginia)
- Stoneleigh (Stanleytown, Virginia)
- Stoneleigh Historic District
- Stoneleigh Manor
- Stonelick Covered Bridge
- Stoner Creek Rural Historic District
- Stoner House
- Stoner Site
- Stoner–Keller House and Mill
- Stoner–Saum Farm
- Stones River National Battlefield
- Stonewall (Rocky Mount, North Carolina)
- Stonewall Inn
- Stonewall Jackson House
- Stonewall Jackson School (Virginia)
- Stonewall Jackson Youth Development Center
- Stonewall Jackson's Headquarters Museum
- Stoney Creek Independent Presbyterian Chapel of Prince William Parish
- Stoney-Baynard Plantation
- Stone–Tolan House
- Stonihurst
- Stonington Borough School
- Stonington Cemetery
- Stonington First Methodist-Episcopal Church
- Stonington Harbor Light
- Stonington Opera House
- Stono
- Stono Rebellion
- Stonum
- Stony Brook Covered Bridge
- Stony Brook Grist Mill
- Stony Brook Reservation Parkways
- Stony Brook–Factory Village Historic District
- Stony Creek Bridge
- Stony Creek Plantation
- Stony Creek Village Historic District
- Stony Creek–Thimble Islands Historic District
- Stony Farm
- Stony Hill Cemetery
- Stony Hill School (Waubeka, Wisconsin)
- Stony Hill School (Windsor, Connecticut)
- Stony Island Trust and Savings Bank Building
- Stony Kill Farm
- Stony Point (Greenwood, South Carolina)
- Stony Point (Surgoinsville, Tennessee)
- Stony Point Battlefield
- Stony Point District School No. 4
- Stony Point Evangelical Lutheran Church
- Stony Point Light
- Stonybrook Estate Historic District
- Stonyfield Farm (Wilton, New Hampshire)
- Stoops Hotel
- Stoothoff–Baxter–Kouwenhaven House
- Storehouse No. 2, U.S. Navy Fleet Supply Base
- Storehouse No. 3
- Storehouse No. 4
- Storer House (Los Angeles)
- Storey Gymnasium
- Storkline Furniture Corporation Factory
- Storm Creek Bridge
- Storm Creek Bridge 2
- Storm House
- Storm King Highway
- Storm King Ranger Station
- Storm Lake Public Library
- Storm–Adriance–Brinckerhoff House
- Storrier-Stearns Japanese Garden
- Story Grammar School
- Story Mound (Cincinnati, Ohio)
- Story-Camp Rowhouses
- Stotesbury Club House
- Stouchsburg Historic District
- Stoughton (Wisconsin) High School
- Stoughton Main Street Commercial Historic District
- Stoughton Universalist Church
- Stoughton station
- Stoughtonham Furnace Site
- Stout House (Petoskey, Michigan)
- Stoutenburgh House
- Stouts Mill Bridge
- Stoutsburg Sourland African American Museum
- Stovall House
- Stover House
- Stover Mill
- Stover-Myers Mill
- Stover–Winger Farm
- Stow House
- Stow-Hasbrouck House
- Stowe CCC Side Camp
- Stowe Village Historic District
- Stowell House (Syracuse, New York)
- Stowers Building
- Stoystown Historic District
- Straber Ford Bridge
- Strachan House Garage
- Stradal House
- Stradley and Barr Dry Goods Store
- Strafford County Farm
- Strafford Union Academy
- Strafford Village Historic District
- Strafford station
- Straight Street Bridge
- Straitsmouth Island Light
- Stranahan House
- Stranahan-DelVecchio House
- Strand Historic District
- Strand Hotel (Chicago)
- Strand Millas and Rock Spring
- Strand Theater (Lakewood, New Jersey)
- Strand Theater (Plattsburgh, New York)
- Strand Theater (Washington, D.C.)
- Strand Theatre (Grafton, North Dakota)
- Strand Theatre (Jennings, Louisiana)
- Strand Theatre (Rockland, Maine)
- Strand Theatre (Shreveport, Louisiana)
- Strand Theatre and Arcade
- Strang School District No. 36
- Strange Nathanial Cragun House
- Strange Powers House
- Strap Iron Corral
- Strasburg Historic District (Strasburg, Pennsylvania)
- Strasburg Historic District (Strasburg, Virginia)
- Strasburg Stone and Earthenware Manufacturing Company
- Stratfield Historic District
- Stratford Building
- Stratford Center Historic District
- Stratford Hall (plantation)
- Stratford Junior High School
- Stratford Methodist Episcopal Church
- Stratford Point Light
- Stratford Shoal Light
- Stratford Springs
- Stratham Historical Society
- Strathglass Building
- Strathglass Park District
- Strathmore Apartments
- Strathmore Road Historic District
- Strathmore, Syracuse
- Strathy Hall
- Stratton (Centreville, Maryland)
- Stratton House (Centerville, Iowa)
- Stratton Manor
- Stratton Mountain (Vermont)
- Stratton's Independence Mine and Mill
- Stratton's Inn
- Stratton–Cornelius House
- Strauss House
- Strauther Pleak Round Barn
- Strawberry Chapel and Childsbury Town Site
- Strawberry Hill (Creagerstown, Maryland)
- Strawberry Hill (Edenton, North Carolina)
- Strawberry Hill (Enfield, North Carolina)
- Strawberry Hill (Petersburg, Virginia)
- Strawberry Hill (Rhinebeck, New York)
- Strawberry Hill, U.S. Virgin Islands
- Strawberry Schoolhouse
- Strawbery Banke
- Strawbridge and Clothier Store, Jenkintown
- Strawbridge-Shepherd House
- Strawn Historic Agricultural District
- Strawn Historic Citrus Packing House District
- Strawn Historic Sawmill District
- Strayer-Couchman House
- Streator Public Library
- Strecker Memorial Laboratory
- Street House
- Street Manual Training School
- Streetcar Depot, West Los Angeles
- Streeter–Peterson House
- Strehlow Terrace
- Streibich Blacksmith Shop
- Strengthen the Arm of Liberty Monument (Fayetteville, Arkansas)
- Strengthen the Arm of Liberty Monument (Pine Bluff, Arkansas)
- Strevell House
- Strickland Road Historic District
- Strickland-Herold House
- Strickland-Roberts Homestead
- Strickler Family Farmhouse
- Strickler Site
- Strickley–Louderback House
- Strider Farm
- String Lake Comfort Station
- Stringer Stone House
- Stringtown House
- Strip District, Pittsburgh
- Strivers' Section Historic District
- Strode's Mill
- Strode's Mill Historic District
- Strode-Morrison-Tabler House and Farm
- Strom Thurmond Federal Building and United States Courthouse
- Strong City Atchison, Topeka, & Santa Fe Depot
- Strong Hall (Lawrence, Kansas)
- Strong House (Amherst, Massachusetts)
- Strong House (Coventry, Connecticut)
- Strong's Block
- Strother Field Tetrahedron Wind Indicator
- Strother Memorial Chapel
- Stroud House (Bentonville, Arkansas)
- Stroud Mansion
- Stroudwater Historic District
- Strouse, Adler Company Corset Factory
- Strunk–Nyssen House
- Struthers Library Building
- Struve–Hay Building
- Sts. Constantine and Helen Chapel
- Sts. Cyril and Methodius Church (Hartford, Connecticut)
- Sts. Peter and Paul Church (St. Paul Island, Alaska)
- Sts. Peter and Paul Orthodox Church
- Sts. Peter and Paul Russian Orthodox Church
- Sts. Sergius and Herman of Valaam Chapel
- Sts. Sergius and Herman of Valaam Church
- Stuart Addition Historic District
- Stuart Area Historic District
- Stuart Building (Lincoln, Nebraska)
- Stuart Dunlap House
- Stuart Hall School
- Stuart Hotel (Stuart, Oklahoma)
- Stuart House (Staunton, Virginia)
- Stuart Manor
- Stuart Motor Company
- Stuart Perry and William Swezey Houses
- Stuart Springs
- Stuart Uptown Historic District
- Stuart Welcome Arch
- Stuart station
- Stuart's Opera House
- Stubbs Earthworks
- Stubbs Park–Stonewall Street Historic District
- Stubbs–Ballah House
- Stuber–Stone Building
- Stuckey House
- Stuckey's Bridge
- Stuckman Cottage
- Studabaker-Scott House and Beehive School
- Studebaker Building (St. Petersburg, Florida)
- Studebaker Corporation Branch Office Building
- Studebaker Showroom
- Students House
- Studio Building (Berkeley, California)
- Stuewe House
- Stuhr Museum
- Stumbaugh Post No. 180 GAR Hall
- Stump Family Farm
- Stumphouse Mountain Tunnel
- Stuntz Bay Boathouse Historic District
- Stupp–Oxenrider Farm
- Sturbridge Common Historic District
- Sturdevant Southwest Historic District
- Sturdivant Hall
- Sturdivant-Sawyer House
- Sturgeon Bay Bridge
- Sturgeon Bay Canal Light
- Sturgeon Bay Post Office
- Sturgeon House
- Sturgeon Point Light
- Sturgis Commercial Block
- Sturgis Pretzel House
- Sturgis Williams Middle School
- Sturgis and Haskell Building
- Sturtevant Hall
- Stutsman County Courthouse and Sheriff's Residence/Jail
- Stuttgart Commercial Historic District
- Stuyvesant Falls Mill District
- Stuyvesant Square
- Stuyvesant station
- Sub Rosa (Pocahontas, Mississippi)
- Substation 219
- Substation 401
- Substation 7
- Suburban Club
- Suburban Station
- Subway Terminal Building
- Success (shipwreck)
- Sudbrook Park
- Sudbury Aqueduct
- Sudbury Center Historic District
- Sudbury Congregational Church
- Sudbury Dam Historic District
- Sudbury School No. 3
- Sudler House
- Sudler's Conclusion
- Sudley (Deale, Maryland)
- Sudley Place
- Sue McBeth Cabin
- Suell Winn House
- Suffield Historic District
- Suffolk County Almshouse Barn
- Suffolk County Courthouse
- Suffolk County Historical Society Building
- Suffolk Historic District
- Suffolk Manor Apartments
- Suffolk Peanut Company
- Suffolk Resolves House
- Sugar Creek Covered Bridge
- Sugar Creek Vista Overlook
- Sugar Grove Meetinghouse and Cemetery
- Sugar Grove Petroglyphs
- Sugar Hill Historic District (Detroit)
- Sugar Hill, Manhattan
- Sugar House Monument
- Sugar Loaf (Winona, Minnesota)
- Sugar Loaf Brewery
- Sugar Loaf Farm
- Sugar Pot Site
- Sugarloaf Fire Tower Historic District
- Sugarloaf Key Bat Tower
- Sugarloaf Mound
- Sugarloaf School
- Sugartown, Pennsylvania
- Sugg Clinic
- Suicide Cliff
- Suisun Masonic Lodge No. 55
- Suitland Parkway
- Sulgrave Club
- Sullivan Center
- Sullivan County Courthouse (Indiana)
- Sullivan County Courthouse (Pennsylvania)
- Sullivan County Poor Home
- Sullivan House (Bogalusa, Louisiana)
- Sullivan House (Laurens, South Carolina)
- Sullivan House (Manchester, New Hampshire)
- Sullivan Roadhouse
- Sullivan and Richie Jean Jackson House
- Sullivan's Corner Historic District
- Sullivan's Island Historic District
- Sullivan-Kinney House
- Sullivant Land Office
- Sully County Courthouse
- Sully Historic Site
- Sulphide–Frisco Cabin
- Sulphite Railroad Bridge
- Sulphur Creek Archeological District
- Sulphur Springs Cemetery
- Sulphur Springs Cemetery (Sulphur Springs, Arkansas)
- Sulphur Springs Methodist Campground
- Sulphur Springs Old School Complex Historic District
- Sulphur Springs Park Reserve
- Sulphur Trestle Fort Site
- Sulphur Well Historic District
- Sumay Cemetery
- Sumerduck Historic District
- Sumers Lodge
- Summer Brothers Stores
- Summer Chapel Rectory, Prince Frederick's Episcopal Church
- Summer Chapel, Prince Frederick's Episcopal Church
- Summer Hill (Davidsonville, Maryland)
- Summer Island site
- Summer Street Historic District (Adams, Massachusetts)
- Summer Trees
- Summer Villa and McKay–Salmon House
- Summerfield District
- Summerfield Historic District
- Summerfield School (Oklahoma)
- Summerfield School Gymnasium and Community Center
- Summerfield Street Row Historic District
- Summers County Courthouse
- Summers House
- Summerseat (Morrisville, Pennsylvania)
- Summers–Longley Building
- Summerton High School
- Summerville (Augusta, Georgia)
- Summerville Commercial Historic District
- Summerville Depot
- Summerville Historic District (Summerville, South Carolina)
- Summerville Presbyterian Church and Cemetery
- Summit (Catonsville, Maryland)
- Summit Apartment Building
- Summit Avenue (St. Paul)
- Summit Avenue Historic District
- Summit County Courthouse (Ohio)
- Summit County Courthouse (Utah)
- Summit Downtown Historic District
- Summit Hill High School
- Summit Historic District
- Summit Lake Park
- Summit Lake Ranger Station
- Summit Plantation House
- Summit Playhouse
- Sumner Bridge
- Sumner Elementary School
- Sumner High School (Iowa)
- Sumner High School (St. Louis)
- Sumner High School and auditorium
- Sumner Hill Historic District
- Sumner Library
- Sumner Public School
- Sumner and Gibbs Streets Historic District
- Sumner-Carpenter House
- Sumner-White Dipping Vat
- Sumpter Valley Gold Dredge
- Sumpter Valley Railway
- Sumpter Valley Railway Passenger Station
- Sumrall-Albritton House
- Sumrell and McCoy Building
- Sumter County Courthouse (Alabama)
- Sumter County Courthouse (South Carolina)
- Sumter Historic District
- Sumter Town Hall-Opera House
- Sun Bright
- Sun Building
- Sun Camp Fireguard Cabin
- Sun Mercantile Building
- Sun Oil Building
- Sun Prairie Water Tower
- Sun Studio
- Sun Terrace
- Sun Valley, Idaho
- SunWatch Indian Village
- Sunburst Shelter
- Sunbury Armory
- Sunbury High School
- Sunbury Historic District
- Suncook Village Commercial–Civic Historic District
- Sundance School
- Sundance State Bank Building
- Sunday River Bridge
- Sunday Rock
- Sunderlage Farm Smokehouse
- Sunderland Center Historic District
- Sunfield G. A. R. Hall
- Sunflower Ranger Station
- Sunken Gardens (Florida)
- Sunken Gardens (Huntington, Indiana)
- Sunken Village Archeological Site
- Sunny Bank
- Sunny Ridge Historic District
- Sunny Side (Burlington, North Carolina)
- Sunny Side Inn
- Sunnybank (Hot Springs, North Carolina)
- Sunnybrook (Lower Pottsgrove Township, Pennsylvania)
- Sunnycroft (Limerick, Maine)
- Sunnydale (Tryon, North Carolina)
- Sunnydale Farm
- Sunnyfields (Linthicum Heights, Maryland)
- Sunnyfields (Simeon, Virginia)
- Sunnyside (Aquasco, Maryland)
- Sunnyside (Charlottesville, Virginia)
- Sunnyside (Clarksville, Virginia)
- Sunnyside (Edisto Island, South Carolina)
- Sunnyside (Greenwood, South Carolina)
- Sunnyside (Heathsville, Virginia)
- Sunnyside (Lexington, Virginia)
- Sunnyside (Nashville, Tennessee)
- Sunnyside (Newsoms, Virginia)
- Sunnyside (Richfield Springs, New York)
- Sunnyside (Tarrytown, New York)
- Sunnyside (Washington, Virginia)
- Sunnyside (Wendell, North Carolina)
- Sunnyside Farm (Hamilton, Virginia)
- Sunnyside Farm (Leetown, West Virginia)
- Sunnyside Farm Barn
- Sunnyside Gardens, Queens
- Sunnyside Hotel
- Sunnyside School–Midway Baptist Church and Midway Cemetery Historic District
- Sunnyside–Central Terrace Historic District
- Sunnyslope (Bronx)
- Sunray Agricultural Historic District
- Sunrise (Charleston, West Virginia)
- Sunrise (Gore, Virginia)
- Sunrise Comfort Station
- Sunrise Historic District
- Sunrise Mill
- Sunrise Theatre
- Sunrise, Alaska
- Sunrise, Wyoming
- Sunset Beach Hotel
- Sunset Boulevard Bridge
- Sunset Center
- Sunset Heights
- Sunset High School (Sunset, Louisiana)
- Sunset Hill (Alderson, West Virginia)
- Sunset Hill (Warren, New York)
- Sunset Hill Cemetery
- Sunset Hills Historic District
- Sunset Hills Historic District (Madison, Wisconsin)
- Sunset Hotel
- Sunset Lodge
- Sunset Park Historic District
- Sunset Park Pavilion
- Sunset Park, Brooklyn
- Sunset Point (Eagle River, Wisconsin)
- Sunset Terrace Historic District
- Sunset Theater
- Sunset Tower
- Sunshine Locality
- Sunshine State Arch
- Suntop Lookout
- Superintendent of Lighthouses' Dwelling
- Superintendent's House (Sumpter, Oregon)
- Superintendent's Residence at the Utah State Hospital
- Superintendent's Residence, Great Sand Dunes National Monument
- Superior Building
- Superior Courthouse and Bartlett Mall
- Superior Oil Company Building
- Superior School (Superior, Montana)
- Superior Street Commercial Historic District
- Supervisor's House No. 1001
- Supply Laundry Building
- Supreme Court Building (Puerto Rico)
- Supreme Court Library Building
- Surety Building (Muskogee, Oklahoma)
- Surf Ballroom
- Surface House
- Surprise (schooner)
- Surprise Opera House
- Surprise Truss Bridge
- Surratt House Museum
- Surrogate's Courthouse
- Surry County Courthouse
- Surry County Courthouse Complex
- Surry Town Hall
- Survivors' and Salvagers' Camp – 1715 Fleet
- Susan B. Anthony Birthplace Museum
- Susan B. Anthony Childhood House
- Susan B. Anthony House
- Susan J. Armistead Moore House
- Susan La Flesche Picotte House
- Susan May (skipjack)
- Susan Russell House
- Susan S. and Edward J. Cutler House
- Susan Wissler House
- Susana Machado Bernard House and Barn
- Susanna Farm
- Susanville Railroad Depot
- Sushana River Ranger Cabin No. 17
- Susie Foster Log House
- Susie P. Turner Double House
- Susina Plantation
- Susitna River Bridge
- Susquehanna Art Museum
- Susquehanna County Courthouse Complex
- Susquehanna station
- Susquehannah Turnpike
- Sussex County Courthouse (New Jersey)
- Sussex County Courthouse Historic District
- Sussex County Courthouse and the Circle
- Sussex County Historical Society (New Jersey)
- Sussex National Bank of Seaford
- Sussex Post Office and Store
- Sutch Road Bridge in Marlborough Township
- Sutherland Hotel
- Sutherland House (Petersburg, Virginia)
- Sutherland State Aid Bridge
- Sutherlin Bank Building
- Sutherlin Cabin
- Sutliff Bridge
- Sutter's Fort
- Sutter-Meyer House
- Sutton Block
- Sutton Center Historic District
- Sutton Community Hall
- Sutton County Courthouse
- Sutton Downtown Historic District
- Sutton Farm (Shelburne, Vermont)
- Sutton House (Decatur, Ohio)
- Sutton House (St. Georges, Delaware)
- Sutton-Chapman-Howland House
- Sutton-Ditz House
- Sutton-Newby House
- Suttons Bay station
- Suwannee County Courthouse
- Suydam House
- Svenska Mission Kyrka I Sodre Maple Ridge
- Svenson Blacksmith Shop
- Swaggerty Blockhouse
- Swaim House (Chapel Hill, Tennessee)
- Swain County Courthouse
- Swainsboro Light and Water Plant
- Swallow Boathouse
- Swallow's Nest (Blanding, Utah)
- Swalwell Cottage
- Swamp Creek Road Bridge
- Swampscott Cemetery
- Swampscott Fish House
- Swampscott Town Hall
- Swampscott station
- Swamp–Meadow Cabin (east)
- Swamp–Meadow Cabin (west)
- Swan Falls Dam
- Swan House (Atlanta)
- Swan House and Vita Spring Pavilion
- Swan Island Site
- Swan Lake Rock House Historic District
- Swan Lake, Tulsa
- Swan Land and Cattle Company Headquarters
- Swan Larson Three-Decker
- Swan Point Archaeological Site
- Swan Point Cemetery
- Swan Pond
- Swan Pond Manor Historic District
- Swan Ponds
- Swan's Landing Archeological Site
- Swanberg Dredge
- Swann Covered Bridge
- Swann's Point Plantation Site
- Swannanoa (mansion)
- Swansboro Historic District
- Swansbury
- Swansea Friends Meeting House and Cemetery
- Swansea Village Historic District
- Swanson Boathouse
- Swanton Christian Church
- Swanton Covered Railroad Bridge
- Swanton House
- Swanton School
- Swanwyck
- Swany White Flour Mills
- Swart House and Tavern
- Swart-Wilcox House
- Swartz Covered Bridge
- Swartz Creek Bridge on Aetna Springs Road
- Swartz Printing Company Building
- Swatara Ferry House
- Swatara Furnace
- Swayne Hall, Talladega College
- Swayze Court Apartments
- Sweat-Comings Company House
- Swede Prairie Progressive Farmers' Club
- Swedenborgian Church (San Francisco, California)
- Swedesburg Historic Commercial District
- Swedish American Telephone Company Building
- Swedish Baptist Church (Davenport, Iowa)
- Swedish Club of Chicago
- Swedish Evangelical Lutheran Church (Ham Lake, Minnesota)
- Swedish Evangelical Lutheran Church (Millville, Minnesota)
- Swedish Evangelical Lutheran Church (Swedesburg, Iowa)
- Swedish Evangelical Lutheran Salem Church
- Swedish Hill Historic District
- Swedish Lutheran Church (Monson, Maine)
- Swedish Lutheran Church of Strandburg
- Swedish Lutheran Parsonage (Wilcox, Pennsylvania)
- Swedish Pavilion
- Swedish Zion Lutheran Church
- Sweeney School
- Sweeney, Coombs, and Fredericks Building
- Sweep Hotel
- Sweet Auburn
- Sweet Briar (Geneseo, New York)
- Sweet Briar College
- Sweet Briar House
- Sweet Candy Company Building
- Sweet Chalybeate Springs
- Sweet Hall
- Sweet Hollow Presbyterian Church Parsonage
- Sweet Memorial Building
- Sweet Methodist Episcopal Church
- Sweet Springs Historic District
- Sweet Springs Resort
- Sweetest Heart of Mary Roman Catholic Church
- Sweetgrass–Coutts Border Crossing
- Sweeting Homestead
- Sweetland Farmhouse
- Sweetwater Archeological Site
- Sweetwater Brewery
- Sweetwater Inn
- Sweetwater Mansion
- Swetland Building
- Swetland Homestead
- Swetland House
- Swetland-Pease House
- Swetman House
- Swett Ranch
- Swift Building
- Swift County Courthouse
- Swift Creek Mill
- Swift House
- Swift Presbyterian Church
- Swift-Kyle House
- Swiftcurrent Auto Camp Historic District
- Swiftcurrent Fire Lookout
- Swiftcurrent Ranger Station Historic District
- Swiftwater Covered Bridge
- Swigart's Mill
- Swindall Tourist Inn
- Swindler House
- Swinford Townhouses and Apartments
- Swing Bridge (Keeseville, New York)
- Swing Bridge at New Bridge Landing
- Swiss Avenue Historic District
- Swiss Steam Laundry Building
- Switchback School
- Switzer Covered Bridge
- Switzerland County Courthouse
- Switzerland Trail
- Swoboda Bakery
- Sword Gate House
- Sycamore Cottage
- Sycamore Dale
- Sycamore Historic District
- Sycamore Ranger Station
- Sycamore Row (road)
- Sycamore Shoals State Historic Area
- Sycamore Tavern
- Sycamore Valley
- Sycamore station (Illinois)
- Sycamore-13th Street Grouping
- Sydenham Hospital for Communicable Diseases
- Sydenham House, Essex County
- Sydenstricker School
- Sydney Kent House
- Sykes House
- Sykes-Leigh House
- Sykesville Historic District
- Sylamore Creek Bridge
- Sylamore station
- Sylvan Beach Union Chapel
- Sylvan Building
- Sylvan Hills Country Club Golf Course
- Sylvan Retreat
- Sylvan School
- Sylvan Theater Historic District
- Sylvania (McCormick County, South Carolina)
- Sylvanus Holbrook House
- Sylvanus Johnson House
- Sylvanus Marriage Octagonal Barn
- Sylvanus Mulford House
- Sylvanus N. Staples House
- Sylvanus Selleck Gristmill
- Sylvanus Wade House
- Sylvest House
- Sylvester Commercial Historic District
- Sylvester Dresser House
- Sylvester K. Pierce House
- Sylvester Local News
- Sylvester Manor
- Sylvester Marion and Frances Anne Stephens Baker House
- Sylvester Millard House
- Sylvester Mumford House
- Sylvester Opdyke House
- Sylvester Smith Farmstead
- Symes Hotel
- Symington House
- Symmes Mission Chapel
- Symphony Center
- Symphony Hall, Boston
- Symphony and Horticultural Halls
- Syndicate Block (Des Moines, Iowa)
- Syndicate Block (La Porte City, Iowa)
- Syracuse City Hall
- Syracuse Savings Bank Building
- Syracuse station (New York Central Railroad)
- Sánchez Adobe Park