ruins of a fortified leper colony in spinalonga island, crete, greece

spinalonga medieval fortress arch venetian castle leprosy travel architecture history greece tourism old europe crete landmark building monument abandoned island wall historical leper colony historic excursion stone ruin antique sightseeing heritage doorway rough summer construction outdoor arc leprosarium destinations vacations built structure exterior famous place fort weathered people greek culture tourist attraction ruins fortified greece isolated lepers humans hansen's disease gulf elounda