schloss schonbuhel, wachau, niederosterreich, austria

aggsbach area attraction austria austrian bank castle danube entrance evening facade fortress historical landmark light lighted lords lower palace panoramic region river rock roman roof schloss schonbuhel starhemberg stitched stone tower town view visit wachau walls water windows situated close valley niederosterreich bastion trees green niedererosterreich osterreich donau wachauer garden architecture architectural clock historic