Category:National Register of Historic Places in Mercer County, Illinois
Appearance
![](http://upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/30px-Commons-logo.svg.png)
Wikimedia Commons has media related to National Register of Historic Places in Mercer County, Illinois.
Pages in category "National Register of Historic Places in Mercer County, Illinois"
The following 13 pages are in this category, out of 13 total. This list may not reflect recent changes.