upper middle rhine valley unesco world heritage site with burg katz castle above st. goarshausen, rhineland palatinate

attraction blue burg castle central cliff clouds cloudy destination dramatic environment europe famous german germany goar goarshausen gorge heritage historic katz landscape lorelei loreley lower middle mountains narrow natural nature outcropping palatinate panorama rhine rhineland rhinelandpalatinate river rock saint sankt site sky slate tourism tourist town towns unesco upper valley waterway west western world aerial view