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ADX Florence

13:23

Supermax: Inside the prison where El Chapo may serve his life sentence

11:37

Inside El Chapo's Newest Supermax Prison Cell

41:05

Supermax Prison in Florence Colorado- The Aryan Brotherhood The most Notorious Gangs

3:06

I-Team: Former Warden Says Death Is Better Than Life In Supermax

3:47

ADX: The World's Most Impenetrable Prison - El Chapo's New Home?

The United States Penitentiary, Administrative Maximum Facility is an American federal prison that provides a higher level of custody than a maximum security prison. It is classed as a supermax, or "control unit" prison, where the safety of inmates and staff is paramount. Located in Fremont County, Colorado, and opened in 1994, it is informally known as the "Alcatraz of the Rockies".