Isaan's boom city — Ban Chiang Bronze Age tombs and the world's best som tam
Udon Thani is Isaan's most prosperous city — a former US Air Force base town (during the Vietnam War, USAF operated a massive airbase here, and many American veterans and their Thai families still live here) that has since grown into a vibrant regional hub with a large expat community, excellent food markets, and one of the most important prehistoric sites in Southeast Asia. Ban Chiang, 50km east, is a UNESCO World Heritage Site containing Bronze Age burial sites (3,600–1,800 BCE) with distinctive red-painted pottery that rewrote the history of metallurgy in Asia — the burials show that bronz…
The region has been inhabited since the Bronze Age (as Ban Chiang demonstrates), but modern Udon Thani's identity was shaped by the Vietnam War. The US Air Force established a major airbase here in 1954 (expanded massively in the 1960s), and at its peak over 45,000 US military personnel were stationed in the area. The US presence transformed the local economy — bringing roads, infrastructure, and a significant American-Thai cultural exchange — and the legacy remains visible in the city's layout, its large Western community, and institutions like the US-Thai Friendship Monument. Thailand's eme…