Schauenburg Castle (Oberkirch) - Credit: Wikimedia Commons
Schauenburg Castle is a ruined hilltop castle located in Oberkirch, Germany, atop a (NN) hill spur overlooking the Rench river valley above the town of Gaisbach, Baden-Württemberg. The castle was built by Duke Berthold II of Zähringen. Read more on Wikipedia
Source: en.wikipedia.org