Eastern State Penitentiary is the home one of the nation's largest and most ambitious haunted attractions, Terror Behind the Walls, Presented by LUKOIL. The event has been ranked the nation's 5th best haunted by America Online, and called "perfect for Halloween" by The New York Times. It is currently in its 17th year. New since 2007, Lock Down, will be the largest and most sophisticated design yet at the penitentiary. It incorporates custom-built animatronic props, high-tech lighting effects, and digital sound. The overall effect will create the illusion that walls of metal bars and cell doors are electrified. Lock Down is the second new attraction introduced in the past two years. Night Watch, launched for the 2006 season, may be the world's first haunted attraction that visitors explore with flashlights.