Because of the cave, the sun always seems brighter and bigger. La Claustra (Saint-Gothard, Switzerland) Once the pass of St. Gothard is a strategic strengthening of the Swiss Army. But historically so that war and the army is not much occupied the minds of the Swiss Government, so soon the Ministry of Armed Forces said goodbye to the idea of hunting down the enemy on the Alpine slopes and abandoned their strongholds. In 1999, enterprising artist Jean Odermatt decided to remake the empty caves into a tourist center, and thereby breathed new life into them. On the barracks last four-star hotel now resembles only the name La Claustra, that means "fence". Now La Claustra – the perfect place to relax with a gourmet kitchen.

Leaving the hotel, you can admire the Alps and reach the nearest alpine villages. On the machine can also get to Devil's Bridge, which is a monument to Russian soldiers, was erected in honor of Suvorov and his army across the Alps. Gamirasu (Cappadocia, Turkey) in the Turkish region of Cappadocia has an underground city, established back in the first millennium BC, and Cave Monastery, built by early Christians. And now in this region, cave settlements which are included in the list of UNESCO World Heritage site, is concentrated the largest number of "cave" hotel. One of the most unusual – Hotel Gamirasu, which is located on the site of the Byzantine monastery. Tuff, which consist of rooms, caves, have excellent insulating properties, so that in the heat here is always cool and in winter heat. However, at the same time be able to enjoy this not so many guests: the hotel with 18 rooms.

Room rate: standard apartments with double bed and shower cost $ 50-90, and the deluxe category rooms with more spacious rooms, terrace and views of the valley will cost approximately $ 110-130 Desert Cave (Coober Pedy, Australia) mining town of Coober Pedy in South Australia is located near the railway, on which still go steam trains. He is known as the world capital of mining opal. Here is the catacomb Hotel Desert Cave, where you can feel like one of the first settlers sailed from the Old World in search of a better life. The hotel includes 19 rooms and 31 suites, and as bars, restaurants, shops, swimming pool and gym. The hotel even a museum where you can learn about the history of opal mining and how to distinguish real from a fake rock. By the way, not far from the hotel Catacomb Church, where the local priests called to pray for wealth and an early finding something valuable.