These followings I would love to recommend are; National Park Doi Inthanon located in northern Thailand, Chiangmai province. Doi Inthanon is the highest mountain in Thailand with many beautiful waterfalls. Nam Nao National Park (kao-kor) in Petchaboon province is also very beautiful and stunning scenery, plus Chines monument called Jeanhor, relics jedi, international library, kao-kor Palace, Si Dit waterfall, open zoo and a wonder hillock.