Entrance to the Fortress Tsarevets in Veliko Tarnovo, Bulgaria Veliko Tarnovo, Bulgaria, Europe

deserted no one no people nobody uninhabited empty castle castles castelo bastei castell fortress fortresses fort castle fortification fortifications entrance entrances entry building buildings structure construction constructions architecture architecture europe europe's historic historical historically tourist attraction tourist attractions place of interest famous place famous places sight landmark tourist landmark places of interest tourist spot southeast europe southeastern europe balkans balkan balkan peninsula european bulgarian bulgaria travel photography defence work defence works defensive work defensive fortification defense facility defences