Eastern State Penitentiary's TERROR BEHIND THE WALLS
A MASSIVE Haunted House Inside A Real Prison! Terror Behind the Walls, America’s largest haunted attraction, is located inside the walls of Eastern State Penitentiary, a real abandoned-prison in Philadelphia, PA. Named "One of America's scariest Halloween attractions" by The Travel Channel.
http://www.TerrorBehindtheWalls.com
From: Haunted Attraction Directory/ USA (All 50 States)/New Jersey