Burgruine Eppenstein

Burgruine Eppenstein - Credit: Wikimedia Commons

Burgruine Eppenstein is a ruined medieval castle overlooking Eppenstein in the Austrian state of Styria. It was built about 1000 AD as the ancestral seat of the Eppenstein dynasty, whose members served as Margraves of Styria and were enfeoffed with the Duchy of Carinthia in the 11th and 12th century. Read more on Wikipedia

type: military structure
date from: 1000

Source: en.wikipedia.org