Platamon Castle at the foot of Mount Olympus, Greece, Europe

travel platamon castle castle fortress built structure architecture mount olympus mountain outdoors day no people coastline water's edge sea water tree nature village clear sky sky architectural castles fort forts fortified fortification history historic historical travel destination tourist destination tourist destinations blue sky daytime fortresses past archaeological archaeology ruin ruins old ruin old ruins mountains nobody no one no person outdoor outside seas ocean oceans skies trees villages town towns