Mysteries of the Abandoned

Haunting of Heartbreak Castle (5x3)

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A mysterious castle was once a fairytale estate, but today, the building is said to be haunted, and experts investigate the secrets of this eerie fortress and the ghostly stories inside. Stories: 1) Gwrych Castle, North Wales, UK; 2) Keroman U-Boat Base, Lorient, France; 3) Fort Jackson, Louisiana, USA