burgruine aggstein, schonbuhel-aggsbach, wachau, niederosterreich, austria

ruins history building photograph tree rock house castle black drawing fortification sketch ruine wachau nieder dewachau donau historic ancient situated hill hillside valley close village lower austria niederosterreich walls bastion architecture architectural wachauer donautal historical burg trees large old stone land landmark cultural attraction view forest mountains mountain travel burgruine aggstein schonbuhelaggsbach aggsbach schonbuhel windows danube