Exercise Facilities for Mentally Ill Prisoners in a South Carolina Prison
Denver jurors view video of fatal inmate beating at federal ADX prison – The Denver Post
Worse Than Guantanamo? Terror Suspects Face Infamous Colorado Supermax
File:Western courtyard at Robben Island Maximum Security Prison.jpg - Wikimedia Commons
Pelican Bay Prison california: What inmates taught me in maximum-security
Can Pelican Bay, a Maximum-Security Prison Be a Place of Connection?
Pennsylvania will no longer hold death-row prisoners in endless solitary confinement
Hard time or inhumane punishment? Inside the Corcoran prison SHU – Security Housing Units (Photos) | LAist - NPR News for Southern California - 89.3 FM
An unexpected call launched JR into his latest project, set in a Californian maximum-security prison - 1854 Photography
The tigers' cage: inside China's Qincheng prison | South China Morning Post
The Alcatraz of the Rockies': Why No One Ever Escapes From ADX Florence | HowStuffWorks
Photos of ADX, America's Toughest Prison
Fenced yard at American maximum security prison. Here inmates are allowed outside to walk, exercise, and socialize Stock Photo - Alamy
How to Survive Supermax | The New Republic
Supermax cell hi-res stock photography and images - Alamy
The Second Lives of America's Vacant Prisons - Bloomberg