Hunt down a few bargains, buy a few trinkets or sample some local specialties at Chiang Rai Night Bazaar. This vibrant place will give you a real feel for the local culture and community.
To visit this community marketplace, you'll need to find your way to Chiang Rai. There are plenty of other interesting attractions in the area, such as Wat Phra Kaew, Wat Pra Singh, and Chiang Rai Rajabhat University.