Aggstein castle ruins, Dunkelsteinerwald, Wachau, Mostviertel quarter, Lower Austria, Austria, Europe

aged aggstein architecture austria austrian bastion bastions building buildings castle castles court courts courtyard courtyards day daylight daytime deciduous dunkelsteinerwald during europe european exterior exteriors famous fortification fortifications fortress fortresses historic historical historically known leafed leafy lower mostviertel old outdoor photo photos quarter renowned ruins seeing shot shots sight sights stronghold strongholds the tree trees view views wachau well well known worth