The French left behind their own ghostly stories after their displacement by the Americans in the 1700s and countless slaughters such as the Dearborn Massacre gave birth to tales of horror that live on in the history of Illinois. Eerie occurrences, spooky events, unsolved mysteries, and terrifying specters haunt Illinois. Tales ofheadless horsemen, haunted castles and a penitentiary occupied by ghosts chill the spines of visitors. Haunted Illinois explores the Prairie State’s paranormal side and serves as a guide to its haunted places.