Eastern State Penitentiary was once the most famous and expensive prison in the world, but stands today in ruin, a haunting world of crumbling cellblocks and empty guard towers. Known for its grand architecture and strict discipline, this was the worlds first true penitentiary, a prison designed to inspire penitence, or true regret, in the hearts of convicts. Its vaulted, sky-lit cells once held many of Americas most notorious criminals, including bank robber Slick Willie Sutton and Al Capone.To find out more visit http://www.easternstate.org.