Eastern State Penitentiary Historic Site interprets the legacy of American criminal justice reform, from the nation’s founding through to the present day, within the long-abandoned cellblocks of the nation’s most historic prison. Eastern State Penitentiary Historic Site, Inc. is a charitable nonprofit organization as described in Section 501(c)(3) of the Internal Revenue Code. Its innovative preservation, interpretation, and public programs move visitors to engage in dialogue and deepen the national conversation about criminal justice.