This archaeological site is considered to be cultural property of outstanding universal value and was nominated as a World Heritage Site in December 1992. The Site is located at Ban Chiang, Amphoe Nong Han, 55 kilometers from the province on Highway No. 22 (Udon Thani-Sakon Nakon). Turn left at the 50-km marker to Highway No. 2225 and proceed for 6 kilometers.

Ban Chiang National Museum located at Ban Chiang, Tambon Ban Chiang, Amphoe Nong Han, is comprised of two parts. The first part stores antiques. Inside the building, old artifacts, ancient Ban Chiang culture, tools and utensils that showcase ancient technology and surroundings, as well as earthenware pots from 4,000 to 7,500 years old, are displayed. The second part is an open museum in the compound of Wat Po Si Nai. The Fine Arts Department has retained the conditions of archaeological excavations to illustrate how earthenware pots and other items were buried along with the dead. Ban Chiang National Museum is considered the first open museum in Thailand. As for the “Ban Chiang” earthenware pots, they are known world-wide because “Ban Chiang” was the origin of a pre-historic civilization. Archaeologists believe the designs on Ban Chiang earthenware are the oldest pot designs in the world.

Traveling to Ban Chiang National Museum is very easy. It is only fifty-six kilometers from Muang District. The route runs along Highway 22 and turns left onto Highway 2225 at kilometer 50, where a road sign indicates the way to Ban Chiang which is six kilometers away. The museum is open to the general public every day, except Mondays and Tuesdays, from 9 a.m. to 4 p.m. with an admission fee of 20 baht. The museum has a parking area with toilets and village shops located nearby.

On the way to Ban Chiang, visitors can stop at several villages where handicrafts are made. Ban Kham O located along the Udon Thani-Sakon Nakhon Road is a Ban Chiang pottery sculpture center while Ban Pu Lu is a pottery-painting place.

Wat Pho Si Nai is the site of the open museum section of the Ban Chiang National Museum where the conditions of the archaeological excavations have been maintained in order to illustrate how earthenware pots and other items were buried along with the dead.