Rikers Island is New York City's main jail complex and has served as a detention center since 1932.

San Quentin State Prison is California's oldest and best-known correctional facility.

The Black Dolphin Prison is a high-security prison for men located in Sol-Iletsk, Orenburg Oblast, Russia.

Sing Sing is a maximum-security prison located in Ossining, New York.

La Catedral was a luxurious prison overlooking the city of Medellín.

Colonia Dignidad is a notorious secretive sect and former agricultural commune of German immigrants located in central Chile.

Devil's Island is a small, rocky island located off the coast of French Guiana.

The Louisiana State Penitentiary, also known as Angola Prison, is the largest maximum-security prison in the United States.

The Black Hole of Calcutta was a small dungeon located in Fort William, Kolkata, India.

HM Prison Belmarsh is a maximum security prison located in Thamesmead, Southeast London.