The Scariest Places in America | EASTERN STATE PENITENTIARY, PHILADELPHIA | This…

The Scariest Places in America | EASTERN STATE PENITENTIARY, PHILADELPHIA | This now-defunct prison which dates to 1829, lists two options for visitors: traditional daytime tours or an evening haunted house experience, Terror Behind Walls, which allows guests to participate in the shenanigans — if they dare. “Those who opt in … may be grabbed, held back, sent into hidden passageways, removed from their group, and even occasionally incorporated into the show,” the site says.