Tonga is the only Polynesian Kingdom in the world and the only Pacific nation never to be colonized. His Majesty King Taufa'ahau Tupou IV can trace his ancestors back more than 1000 years. Apart from the fascinating history of this ancient civilization, there is also stunning scenery, wonderful reefs and an amazing underwater marine life. Tonga is west of the international dateline where it meets the Tropic of Cancer.  Read more ....