Pictures of abandoned prisons can be found on the websites io9 and Abandoned America. The sites provide detailed photographs of abandoned prisons both in America and around the world.
The website io9 lists 11 abandoned prisons in various locations. The prisons include Vilvoorde Prison in Belgium, Old Salem Jail in Massachusetts, and the Sinop Fortress Prison in Turkey. Each listing has a description of the prison paired with detailed photographs of their interiors and exteriors.
Abandoned America provides a list of abandoned government and social institutions, including prisons, from around the U.S. It provides detailed photographs and full written descriptions of each abandoned location.