America's Hardest Prison provides a no hold-barred look at some of the toughest penitentiaries and jails in the USA.
Jobs don't get much tougher than dealing with thousands of dangerous convicts but that's exactly what the officers at these menacing jails have to do every day.
For staff and prisoners alike, problems with overcrowding, understaffing and gang politics create the constant risk of erupting violence.
Can the officers prevent some of the most violent men and women in America from winning the battle?
This is a world where violence, gang warfare and escalating tension all come with the territory, and only the very toughest are able to cope.
Win a rib boating Jeep® adventure down the River Thames
Find out what's on with our monthly programme updates.
Tim Shaw & Jeep® embarked on a road trip across the UK this month, taking in some of the most breath-taking locations.
Get up close with amazing creatures.
The official stream of Nat Geo TV.
The official UK page for Nat Geo TV.
Cookies are very small text files that are stored on your computer when you visit some websites.
Strictly necessary and performance