Aggstein castle ruins, Danube Valley, UNESCO World Heritage Site Wachau, Lower Austria, Austria, Europe

above aged aggstein angle architecture austria austrian bastion bastions bodies body building buildings castle castles countryside danube day daylight daytime during elevated europe european exterior exteriors fluvial fortification fortifications fortress fortresses from heritage high high angle hill hills hilly historic landscape landscapes look look out look outs lookout lookouts lower nature nobody of old out outdoor outs overlook overview panoramic perspective perspectives photo photos river rivers rolling ruin ruins scenery scenic shot shots site sites stone stony stronghold strongholds the top topography topview topviews unesco valley valley valleys view views wachau water waters world