11. Phuket
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Photo: Cloudy day at James Bond Island in Phang Nga Bay, Phuket, Thailand (Photo via chrisinthai / iStock / Getty Images Plus)
Perhaps the most recognizable and famous region of Thailand, Phuket is home to the Avatar-like mountain islands. Tourists can spend their days relaxing on the beaches, adventuring through the rainforest and partying the nights away on Patong Beach. Be sure to catch a Thai boxing match and see the waterfalls in Khao Praew Thaew National Park.