The zoll castle Pfalzgrafenstein in the Rhine, Kaub, Rhineland-Palatinate, Germany, Europe

architecture attraction attractions building buildings castle castles day daylight daytime during europe european exterior exteriors famous federal fortification fortifications fortress fortresses frg german germany in kaub known of outdoor palatinate pfalzgrafenstein photo photos renowned republic rhine rhineland rhineland palatinate seeing shot shots sight sights site sites stronghold strongholds the the tourist well well known worth zoll