Mysteries of the Abandoned

Hitler's Nightmare Palace (8x7)

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The ruins of a dreamlike Polish palace hide an astonishingly dark history that's shrouded in mystery to this day; experts investigate and uncover an ornate gothic structure that concealed a nightmare of Nazi experimentation. Stories: 1) Bethlehem Steel Plant, Bethlehem, Pennsylvania; 2) Lindisfarne Priory, Holy Island, England; 3) Mokrzyszów Palace, Poland; 4) Lifta, Israel