The capital of northern Thailand, Chiang Mai almost rivals Bangkok in terms of cultural heritage with more than 300 temples. The striking and historical city centre of Chiang Mai almost belies the city's modernity and size. Chiang Rai on the other hand, is seen as the more laid-back version of Chiang Mai and considered the gateway to the Golden Triangle. You will get a chance to see where the three countries of Thailand, Laos and Myanmar meet.