Fortress Ehrenbreitstein (Koblenz)

Germany / Rheinland-Pfalz / Urbar / Koblenz
 castle, museum, hostel, fortification, listed building / architectural heritage
Festung Ehrenbreitstein is a massive fortress on the mount of the same name on the eastern bank of the Rhine opposite the city of Koblenz. It is one of the greatest fortresses in Europe. It used to accommodate up to 13,000 soldiers.

www.diefestungehrenbreitstein.de/index.php?id=20309
Wikipedia article: http://en.wikipedia.org/wiki/Festung_Ehrenbreitstein
Nearby cities:
Coordinates:   50°21'50"N   7°36'54"E