Angkor is a magnificent temple complex, one of the most significant archaeological sites in Southeast Asia.

Koh Ker is a remote archaeological site in northern Cambodia.

Preah Vihear Temple is a Khmer temple situated at the top of a 525-meter cliff in the Dângrêk Mountains, between Cambodia and Thailand.

Dong Phayayen-Khao Yai Forest Complex spans 230 km between Ta Phraya National Park on the Cambodian border in the east, and Khao Yai National Park in the west.

The Champasak cultural landscape encompasses a collection of ancient temples and structures.

Si Thep Historical Park is an archaeological site in Phetchabun Province, central Thailand.

Ayutthaya Historical Park covers the ruins of the old city of Ayutthaya, Thailand.

Kaeng Krachan Forest Complex is the largest protected area in Thailand.