The Höllgrotten Baar were discovered in 1863 during the mining of tuff stone and were made more and more accessible until 1917. Thanks to an artificial connecting tunnel, you can …
I was able to go on a guided tour. It's amazing to see the different flowering plants when you climb up the 1000 meters from the bottom. In the lower …
The last great ice age reached its peak around 1,321,000 years ago. Mount Rigi was surrounded by the Reuss Glacier, which extended far into the Swiss Plateau and left …
The pond is located in the heart of the Unterer Wald nature reserve, surrounded by various marshes. A marsh in the nature reserve is a moist, often boggy area, usually …