panorama of wachau valley unesco world heritage site with ship on danube river against duernstein village in lower austria,

aerial aggstein austria austrian autumn blue boat castle church cruise danube donau drone duernstein durnstein famous ferdinandwarte forest grapevine heritage krems landscape lower mountain nature panorama panoramic river ruin ship site sky spitz tourism tower town transport transportation unesco valley vienna viewpoint village vine vineyard wachau water weissenkirchen wine world