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 Review: A second lease of life for Swiss alpine fortresses

These Hidden Castles in Europe Are Straight Out of a Fairy Tale

Deactivated bunker of the Swiss army, artillery fortification Follateres, fortress of Saint-Maurice, Valais, Switzerland Stock Photo - Alamy

16 haunting pictures of Switzerland's secret bunkers

The World's 30 Most Impressive Fortresses

THE SECRET WORLD WAR II FORTRESS HIDDEN UNDER THE TRANQUIL BEAUTY OF THE SWISS ALPS - The St Kitts Nevis Observer

Switzerland's Jungfrau Region: Interlaken and Swiss Military Secrets - Rick Steves' Europe Travel

Reimagined Swiss Army Bunkers

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

Traversing the Confoederatio Helvetica by rail

The Camouflaged Military Bunkers of Switzerland