A top Southeast Asia travel destination is Thailand, and for good reason. From its islands to floating markets to famous landmarks, Thailand is one vacation you want to have during your lifetime. The most well-known sight to see, the Grand Palace, resides in Bangkok. This attraction is one of the most spiritual places in all of Thailand and is sure to awe you with its stunning architecture and intricate details. Also in Bangkok are several floating markets. Head there for some tasty fruits, vegetables and coconut juice. For a more tropical getaway, go to the Phi Phi Islands. Tall palm trees, all kinds of marine life, clear blue waters and sandy beaches make the two islands here a fun place to visit. Nine main islands make up the Similan Islands. The waters around each island are full of colorful fish and coral, which are best seen when diving.