Glacier Grotto, Titlis It feels like you are traveling back in time: in the turquoise-blue twilight of the glacier grotto, where the ice, which is up to 5000 years old, …
very interesting story, the secret tunnel, in case of emergency, if it had been necessary in case of war, to blow up the Devil's Bridge, then this would have been the connection
Only for sure-footed hikers with a head for heights. An old, poorly maintained military trail with a small cavern passage and ladder section. Up the Schöllenen Gorge directly to the old artillery observation post and the Bäzstrasse. Quite an adventure.