ruins of madenburg near eschbach. region palatinate in germany

architecture bizarre blue castle clear cloudless colored sandstone constuction defense deserted destination deutschland donjon eschbach europa europe european europacurren isch fissured fortification fortified fractured freestone from below germany historic historical keep madenburg national park nature reserve new red no one nobody outside palatinate forest pfalz precipitous protecting wall protective rheinlandpfalz rhinelandpalatinate rugged ruin ruins sheer sky southern wine road route steep stronghold safrac14 ddeutschland tourism tower travel