Northern Mariana Islands is a commonwealth in political union with (and in practice, close to a territory of) the United States. The Marianas' top activity among Americans is scuba diving and snorkeling. In additional to the coral reefs you might expect, the waters around the islands were the scene of fierce fighting during World War II and there are many ship wrecks and even...
International Airport
SPN: serving the area of Saipan
Rota Airport
ROP: serving the area of Rota Island
Tinian Airport
TIQ: serving the area of Tinian