Barwon prison is widely considered Victoria’s toughest jail, containing some of the state’s most hardened and notorious criminals.

A prison, by definition, is meant to be a place of correction, a facility where lawbreakers are held as punishment and theoretically rehabilitated. But the prisons we’re about to explore? They’re ...

Today, we’re plunging into Russia’s deadliest prisons. Where even a minor slip can lead to an unmarked grave. Buckle up, and ...