Attica Correctional Facility - opened in 1931, is a maximum security campus New York State prison in the town of Attica, New York. The prison was hailed as a model for the confinement of the most dangerous criminals.
The Louisiana State Penitentiary, known as Angola, opened in 1901. It is a brutal maximum-security prison known as the 'Bloodiest Prison in America.' Most of the facility's 6,300 inmates will never see the outside world again.
Located near Belfast, Maze Prison holds both Catholic and Protestant prisoners, members of paramilitary groups like the Irish Republican Army. The prison consists of 8 H-shaped cellblocks with cameras, searchlights, 16-foot walls, and guard towers.
The Florida State Prison at Raiford was built on 18, 000 acres of farmland in 1913. The original maximum-security housing unit, nicknamed "The Rock", gave the prison its notorious reputation.
The largest prison system in the free world, its 20,000 male and female inmates reflect the crimes and racial tensions of LA. The challenge is staggering feed 75,000 meals a day and keep 16,000 gang members from killing each other.
Built in 1932, the federal penitentiary in Lewisburg, Pennsylvania, looks more like a church than a prison. When it opened, it was considered the most modern and humane prison in America.