Fort Casso, The Most Epic Fort Of The Maginot Line

Guardian Of The Rohrbach Plateau

Built With 6000 M3 Of Concrete, 500 Tons Of Steel, The Fort Was The Guardian Of The Rohrbach Plateau, It Consists Of 3 Fighting Forts And A Huge Underground Tunnel System, It Was A Small Town Underground Not One Of The Largest Forts But Certainly One Of The Best Preserved An Incredible Tour.
 
Credit to : Lost Battlefields w Tino Struckmann