Under green hills and grapevines, a Cold War secret awaits :

A vineyard road snakes along the wooded hill in Germany’s Ahr Valley that hides what was once the biggest of state secrets: a vast doomsday bunker.

Related Keywords

Germany , Walporzheim , Rheinland Pfalz , Bonn , Nordrhein Westfalen , Altenahr , France , Bad Neuenahr Ahrweiler , West German , West Germany , German , Ahrweiler Markt , Roemervilla Museum , Ahr Valley , World War , Cold War , Eastern Bloc , From Kaiserslautern ,