French Polynesia
Tourist or Business Visa Required? NO
Requirements:

U.S. Passport holders do not require a visa for stays of up to 30 days. A valid U.S. passport is required along with proof of onward transportation.
Includes: Society Islands, French Southern and Antarctic Lands, Tuamotu, Gambier, French Austral, Marquesas, Kerguelen, Crozet, New Caledonia, Tahiti, Wallis and Furtuna Islands.