Aggstein Castle built
1181 CE.
Shown on the map at 48.314°, 15.422°.
Aggstein Castle (German: Burgruine Aggstein, lit. "castle ruins of Aggstein") is a ruined castle on the right bank of the Danube in Wachau, Austria. The castle dates to the 12th century. Aggstein Castle is 480 metres (1,570 ft) above sea level.
Text from the Wikipedia article Aggstein Castle, licensed CC BY-SA 4.0.