A Secret World
Underground
Cincinnati's Abandoned Subway a whole system...can you imagine? fascinating stuff though.
Closed Stations on the Paris Metro
The Maginot Line the official website not the military blunder history tells us it was
The Maginot Line a well researched enthusiasts website
Overground
Military Ruins Forgotten bunkers, Dark tunnels, Abandoned structures, Cannons, Deep manholes, Castles in ruins, Arsenals covered in vegetation, Rusting aerials... near La Coruņa, the northwest coast of Spain.
