ancient town walls overgrown in jungle, nan madol - prehistoric ruins of city. pohnpei, micronesia, oceania.

ancient archaeological archeology architecture beautiful blue canals castle city civilization culture federated forest fortification green heritage historical holiday island lagoon landmark madol megalith megaliths micronesia nan ocean oceania old outdoor pacific palms pohnpei prehistoric rock ruin ruined scenery sights site slabs states summer tourism town travel tropical unesco vacation water wood world