Porch of Poseidon temple, part of Erechtheion, sacred olive tree, walls of temple of Athena Polias on Acropolis, Athens, Greece against blue sky

acropolis altertum ancient cities ancient city ancient civilizations ancient civilization ancient greece ancient greek civilization ancient greek ancient times ancient world ancient antique antiquity archaeological area archaeological sites archaeological site archaeological archaeologic archaeology archeological archeologic archeology athens atrium attractions attraction balkan peninsula balkans balkan blue skies blue sky buildings building capital city capitals capital cities city construction deciduous trees deciduous tree deserted empty entrance hall erechtheion erechtheum europe's europe excavation field excavation sites excavation site excavations excavation famous place fine weather front halls front hall good weather greece greek halls hall heritages heritage historical historic holy international landmark ionian ionic lamiales landmarks landmark municipal nature nice weather nobody no one no people old oleaceae olea europaea olea olive trees olive tree olive partly part of parts part place of interest plants plant porch poseidon posidon religious building ruined building ruined town ruins complex ruin site ruins ruin sacral building sacred building sacred sea gods sea god sight southeastern europe southeast europe southern europe south europe st structure temple of poseidon temple ruins temple ruin temples temple tourist attractions tourist attraction tourist landmark town trees tree uninhabited urban environment urban vestibule walls wall weather is fine weather is nice