View of part of the ruins of the imperial palace of Emperor Frederick I Barbarossa, Kaiserswerth, Düsseldorf, North Rhine-Westphalia, Germany, built in the Middle Ages around 1184 on the present banks of the Rhine

deserted prestigious building residence castle unesco ruin building emperor water river body of water north rhine westphalia rhine german europe beautiful historic tourist attraction world heritage site river bank middle ages view old european rhineland düsseldorf unesco world heritage medieval splendid germany travel photography barbarossa kaiserswerth kaiserpfalz central europe rhine bank no one magnificent building residency palace ruined building structure waterfront waters nrw beautifully historical place of interest world heritage shore in the middle ages overlook dusseldorf unesco site mediaeval magnificient german federal republic frederick i middle europe banks of the rhine no people construction federal state of north rhine westphalia lovely famous place watershore facing unesco world heritage site republic of germany banks of rhine nobody north rhine westphalia nice view into frg düsseldorf kaiserswerth uninhabited gorgeous view over d kaiserswerth empty fine overlook overview prestigious buildings residences castles ruins buildings emperors rivers tourist attractions river banks view of view of splendidly magnificent buildings ruined buildings historically places of interest shores outlook duesseldorf constructions famous places watershores brd overlooking overviews residenz schloss water body water area open water europe's historical image history image history images sight landmark tourist landmark banks of oldest world hertiage unesco world site tourist spot water shore