Embed <iframe src="https://www.npr.org/player/embed/6387882/6387883" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player"> The ...

PHILADELPHIA — Built as a punishing fortress in 1829, Eastern State Penitentiary sat a mile and a half outside Philadelphia, isolated behind 30-foot walls, a model of solitary confinement ...

PHILADELPHIA (CBS) -- It's been long abandoned, but Eastern State Penitentiary in Fairmount, now a historic site, was an active prison for more than 140 years. An 11-day exhibit is telling the ...

This image comes from the front of the Eastern State Penitentiary brochure. The long-closed Philadelphia prison was America's first penitentiary, constructed to inspire penitence in those detained.