Mariastein Abbey is, after Einsiedeln, the second most important place of pilgrimage in Switzerland. It is known for its chapel dedicated to Mary, located in the Grotto, as well as its beautiful Gothic architecture and works of art.
The Schalberg Cave is now a narrow, winding passage. It is located near the edge of the ridge formed by the Rauracien rock; therefore, the thickness of the cave roof …