The outer stone walls of the ancient city of Nan Madol surrounded by lagoon canal in Pohnpei, Federated States of Micronesia

nan madol nan madol pohnpei ancient city ruins pohnpei micronesia federated states of micronesia fsm outer walls tourism history archaeological site archaeology historical site ancient civilisation tropical island island madolenihmw district saudeleur dynasty dynasty travel exploration adventure vacation holiday remoteness wilderness explore ancient building ruin landmark stones religious religion coral coral reef outer wall jungle forest trees scenic view landscape path pathway canal lagoon water