Amazing and mysterious Neolithic settlement on Scotland's Orkney Islands.

Ruined castle with subterranean vaulted Goblin Ha' or "Goblin Hall."

This former train tunnel is filled with lines from a poem crafted by Robert Louis Stevenson.

This grand Georgian manor house was converted to serve as an isolation hospital before it was abandoned and destroyed.

Manchester's abandoned train depot lingers in a post-industrial purgatory.