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Photo: Tania81, CC BY-SA 3.0 via Wikimedia Commons
The Fairy’s Cave, first tourist cave opened to the public in Switzerland with 504-m-long gallery and 77-m-high waterfall inside.
The Grotte aux Fées in the cliffs above Saint-Maurice in the Swiss canton of Valais, is a natural limestone solution show cave, featuring a 77-metre (253 ft) high underground waterfall, claimed as the world's highest waterfall in a show cave. The cave was the first show cave in Switzerland.
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Having celebrated its 1500th anniversary in 2015, it is said to be the longest-run Catholic monastery in the world. While the monastery cannot be visited, the Basilique, the monastery treasure and an archeological site can be visited.
Situated in the cliff which dominates the village, open 24 hours. To get there you need to climb around 500 steps.
There are several fortifications from the period of the Second World War and the cold war. They were decommissioned in 1995 and can now be visited.