Ancient places such as castles are filled with histories, sometimes bloody and gruesome, but always fascinating. And the 11 dark places explored in this title are sure to chill young readers' imaginations. For example, at Chillingham Castle in England, they'll meet John Sage, who tortured up to 50 prisoners a week. He had a tilted floor in his torture chamber, so the victims' blood could easily drain away. John boiled some prisoners in pots and locked...