Series from 2006
Lockdown goes inside this real-life war zone with National Geographic's exclusive camera access and astonishing inmate interviews.
America's Hardest Prison goes behind the razor wire for an in-depth look at Cleaveland's Cuyahoga County Jail. See the drama unfold as the Special Response Team faces a new gang that preys on other inmates.
Inmates in the largest county jail in Denver take advantage of the run down facility.
The Mexican Mafia battles a local prison gang at Bexar County Jail in San Antonio, Texas.
Officers at Hillsborough County Jail in Tampa, Fla. put their lives on the line to keep inmates safe and under control.
Sacramento County Jail; a couple is charged with torture; a woman's addictions land her in jail; rumors of an imminent attack against officers.
The newest and largest prison in Colorado is home to more than 2,000 killers, kidnappers and drug dealers. Here the warden and his team must control some of the toughest and most aggressive offenders and even work to turn them around.