#1 ∙ S2.E9 ∙ Prison of Horrors: Eastern State PenitentiaryThu, Oct 25, 2007With its thick stone walls, thirty feet tall, Eastern State Penitentiary has dominated the landscape of Philadelphia for almost two hundred years. In this episode of "Mysterious Journeys" we'll explore the dark secrets of this house of horrors.7.3/10 (24)Rate