Stein Castle
Germany · Europe
About
Stein Castle (German: Schloss Stein) in Stein an der Traun is the most important cave castle in Germany.
the upper house on the almost 50 metre high steeply sloping nagelfluh rock face;
the cave castle beneath it, which hides a passage to the Traun valley in the rock;
Adapted from Wikipedia (CC BY-SA)。Photography via Wikimedia Commons.