Lockup

1. Inside Riverbend

Go behind the walls of Riverbend Maximum Security Prison, home to Tennessee's...

2. Return to Valley State

Valley State Women's Prison in California struggles to reform.

3. Return to Rikers Island

See how the once-infamous Rikers Island jail has reinvented itself.

4. Inside Utah State Prison

A "jail within a prison" protects some inmates from others.

5. Inside North Carolina Women's Prison

Hard time - and sometimes love - for women behinds bars.

6. Inside Kentucky State Penitentiary

Behind the walls of Kentucky's only maximum security prison.

7. Inside Anamosa

Maintaining control through "zero tolerance" in Iowa.

8. Return to Pelican Bay

One of the most violent and volatile penitentiaries in the nation.

9. Return to Corcoran

The Corcoran State Prison, located in an isolated valley, is one of Californi...

10. Inside Wabash

Violent offenders and mentally ill inmates in Indiana.

11. Inside Miami-Dade Corrections

Miami's prison system.

12. Inside the Penitentiary of New Mexico

13. Inside Elayn Hunt Prison

14. The Inmate Diaries

Oklahoma inmates tell their own remarkable stories.

15. Inside Stateville

Inside the prison housing some of Illinois' most violent criminals.

16. Inside L.A. County Jail

LA County Jail is a system that is overcrowded, tough on gangs, and strugglin...

17. Inside Folsom Prison

Inside the maximum security prison inmates call "the end of the world."

18. Inside San Quentin

San Quentin State Prison in California: one of the most famous, most notoriou...