Underground Adventure

Underground Adventure Immerse yourself in a unique experience

Immerse yourself in a remarkable underground adventure! Discover the most unique and unusual holiday ideas around the world. Start planing your next adventure!

Felsenhotel La Claustra

Spend a night in this restored underground army fortress in the middle of the Swiss Alps under the Gotthard Pass.

Buda Castle Caves Walking Tour

Enjoy the more intimate experience of a small-group with this nice Cave Walk Tour in Budapest.

The Lookout Cave Underground Motel

Spend a night in The Lookout Cave Underground Motel in Australia.