Four men conspire to break out of one of the most notorious prisons in American history. What happened to three of them remains a mystery to this day.

Stuck in prison on life sentences, Richard Matt and David Sweat executed one of the most involved escapes from an American prison.

El Chapo became one of the most notorious and murderous drug cartel kingpins in modern history. His audacious escapes from maximum-security prisons in Mexico became the stuff of legends. He is now in a US supermax prison in Colorado where he is remanded to this day.

Six men, led by the mastermind, Nuno Pontes, attempt to escape Pittsburgh State Penitentiary.

Allied prisoners used all kinds of tactics to escape German Prisoner of War camps.

Almost forty members of the IRA, locked up in HM Maze prison, attempt a daring escape.

Timothy Vail and Timothy Morgan were murderers incarcerated at Elmira State Prison in Elmira, N.Y.;. Vail wanted to escape, so he engaged Morgan in his plan to dig through the ceiling and flee from prison.

James Earl Ray, confessed assassin of Martin Luther King, was a notorious escape artist. The most audacious of which was an attempt to escape Brushy Mountain State Prison.