Eastern State Penitentiary partners with New Leash on Life USA for Family Weekend: Pets in Prison. Families will hear about Eastern State Penitentiary’s most famous four-legged residents; participate in an animal-themed scavenger hunt; and find out how animals continue to play a role in prisons today. Family Weekend activities are available from 12:00 to 4:00 pm, included with admission. Tickets are available online or at the door, subject to availability.