Chřibský hrádek
Czech Republic · Europe
About
Chřibský hrádek (older name Karlštejn, Unterer Karlstein or Wüstes Schloss) is a ruined rock castle in Doubice in the Ústí nad Labem Region of the Czech Republic. It is located in the Elbe Sandstone Mountains.
Adapted from Wikipedia (CC BY-SA). Photography via Wikimedia Commons.