Preah Vihear Temple is a Khmer temple situated at the top of a 525-meter cliff in the Dângrêk Mountains, between Cambodia and Thailand.
Prasat Phum Pon is an archaeological site featuring the remnants of a Khmer temple.
Prasat Yai Ngao is a site of historical ruins located in the Ban Chop district.
Prasat Sa Kamphaeng Noi is an ancient khmer temple located in Uthumphon Phisai District.