The Secret Military Fortresses Hidden in the Swiss Alps

These clandestine bunkers helped keep Switzerland out of WWII. Now they house everything from museums to raclette cheese.

Swiss Mountain Fortress

Off the Beaten Track in Switzerland by Rick Steves

The Secret Military Fortresses Hidden in the Swiss Alps

Inside the Haunting Remains of Secret WWII Bunkers

Self Sabotage: The Swiss Strategy of Rigging Vital Infrastructure to Explode - 99% Invisible

Old army bunkers get second life in Switzerland — PHOTOS, Travel

Fortress Switzerland - Owlcation

The Camouflaged Military Bunkers of Switzerland

Roads by Porsche – Scenic Routes - [object Object]

Reimagined Swiss Army Bunkers

Inside the Haunting Remains of Secret WWII Bunkers