The gateways to Northern of Laos are Nongkhai province and Loei province also including Khonkhaen province and Udornthani province. They has strongest local culture and Prehistoric archaeological all along way from Nakhon Ratchasima province to Loei province
Nakhon Ratchasima is gateway to northeast of Thailand. You can visit Uthayan Lanbhun Mahawiharn (Somdet Toh) and see the temple which looks like barque and Constructed from clay tiles.
Let worship the relics of Khonkaen and go back to world of primitive era with 1st fossil of dinosaur in Thailand and other discovery in Phu Wiang Dinosaur museum.
In December to February the lake of Udornthani will be full of beautiful red lotus. Udornthani also has world heritage sites of old human aged about 5,700 - 1,800 years. For museum, Udornthani has 1st outdoor museum of Thailand then go to see the amazing of nature in national historic park of Udornthani.
Nongkhai is border province near Mekong River and location of the 1st Thai-Lao Friendship Bridge. Drop at Pho Chai temple for worship Buddha Statue of Nongkhai, The relics of Nongkhai and outdoor museum for exhibit statues.
Loei is province of mountain and the gateway to northern of Laos from Thai-Lao Friendship Bridge. By the river of Mekong is famous small town in Loei call Chiang Khan which full of charming in old town and local lifestyle.