Phra That Nong Sam Muen
Chaiyaphum

Phra That Phanom
Nakhon Phanom

Bueng Phlan Chai
Roi Et

Ban Song Puey Archeological Site
Yasothon

Phra That Sri Mongkol
Sakon Nakhon

Huai Rai Reservoir
Nong Bua Lam Phu

Ku Mahathat (Prang Ku Ban Kwao)
Maha Sarakham

None Don Klang Archeological Site (Ban Kud Kwang Soy)
Nong Bua Lam Phu

Tamnaksai Khmer Ruins (Tamchan Khmer Ruins)
Si Sa Ket

Don Tuan Khmer Ruins
Si Sa Ket

Huai Khi Lek Reservoir
Mukdahan

Lum Praplerng Dam
Nakhon Ratchasima

Huay Tap Tan Khmer Ruins or Ban Prasart Khmer Ruins
Si Sa Ket

Khao Phra Viharn (Preah Vihear) Sanctuary
Si Sa Ket

Nong Bua
Nong Bua Lam Phu