Underground Wonders
Discover extraordinary underground wonders across Europe

Drach Caves
Mallorca, Porto Cristo, Spain
One of the world's largest underground lakes

Fingal's Cave
Isle of Staffa, Scotland
Unique hexagonal basalt columns forming a cave

Berchtesgaden Salt Mine
Bavarian Alps, Germany
Over 500-year-old working salt mine

Škocjan Caves
Škocjan Caves Regional Park, Slovenia
UNESCO World Heritage underground river canyon system

Eisriesenwelt Ice Cave
Salzburg, Werfen, Austria
42-kilometer ice cave system in the Austrian Alps

Postojna Cave
Karst Region, Slovenia
Slovenia's most visited cave with underground train

Lascaux Cave
Dordogne, Périgord, France
UNESCO cave complex with 17,000-year-old cave paintings

Aggtelek Caves
Aggtelek National Park, Hungary
UNESCO World Heritage cave system with stunning formations
Featured Hotels

The Ivens
Lisbon, Portugal
Botanical-themed hotel with rich fabrics and animal motifs
Named after famous Portuguese explorer

Krane Hotel
Faroe Islands, Denmark
Historic harbor crane converted to unique hotel room
1960s industrial heritage

Deplar Farm
Flijót Valley, Troll Peninsula, Iceland
Converted sheep farm in remote valley for Arctic adventures
Traditional Icelandic sheep farming heritage

Conservatorium Hotel
Amsterdam, Netherlands
Former music school converted to greenhouse-style hotel
Former music conservatory