You can't miss Terror Behind the Walls, America’s largest haunted house! Relieve stress by screaming at, and laughing at your friends screaming at, haunting prisoners and prison guards. What better way to bond with your Hill neighbors than to go through the biggest haunted house in America?

Terror Behind the Walls is located inside the massive castle-like walls of Eastern State Penitentiary in Philadelphia, PA. Now in its 27th year, this extraordinary theatrical production is consistently ranked among the top haunted attractions in the country.