Wenzel Pit
Oberwolfach, Germany
The Wenzel Pit (Grube Wenzel) is a former silver mine in the Zinken Frohnbach in Oberwolfach in the Black Forest in southern Germany. The pit had its heyday in the Napoleonic era, but has been a show mine since 2001.
Mine data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).