Step inside easternstatepen’s massive front gate and into a Halloween festival of epic proportions — featuring five thrilling haunted houses plus historic tours, themed bars, live entertainment, and more — all inside the massive, abandoned complex of a real, ten-acre prison. 🫣🕸️🕷️💀🎃 All proceeds from Halloween Nights benefit Eastern State Penitentiary Historic Site, a 501(c)(3) nonprofit and National Historic Landmark. #discoverPHL #HalloweenNights #EasternStatePenitentiary #ESP #Halloween #SpookySeason #HalloweenAttractions #Scary #Creepy #Haunted #HauntedHouses #Mazes #Bars #Philadelphia #Philly #ThingsToDo