Waldsteinburg
Zell im Fichtelgebirge, Germany · built 1350
The Waldsteinburg, also called the Red Castle (German: Rotes Schloss) is a ruined castle on the summit of the Großer Waldstein in the Fichtel Mountains of Germany. It is also known as the Westburg ('west castle') to distinguish it from the older ruins of the Ostburg ('east castle').
Archaeological site data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).