Lichtenstein castle, near Reutlingen, Swabian Jura, Baden-Wurttemberg, Germany, Europe

travel baden wurttemberg germany europe lichtenstein castle swabian jura castle fortress built structure architecture outdoors day building exterior building no people clear sky sky cliff landscape architectural building exteriors architectural exterior architectural exteriors buildings castles fort forts fortified fortification history historic historical travel destination tourist destination tourist destinations blue sky cliffs daytime fortresses past archaeological archaeology ruin ruins old ruin old ruins nobody no one no person outdoor outside skies