Mysteries of the Abandoned

The Real Shawshank (3x9)

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An eerie prison with a dark past that became the setting of an iconic Hollywood movie and alien monoliths on a strange and remote island are deserted engineering projects. Stories: 1) Ohio State Reformatory, Mansfield, Ohio, USA; 2) Batterie Mirus, Guernsey, UK; 3) Jussarö Island, Raseborg, Finland; 4) Orford Ness, Suffolk, UK