1. The Mekong
Chill out on the banks of South-East Asia's mightiest river at Sangkhom, and boat along it from Chiang Khan.
2. Sukhothai
Rent a bike and explore the graceful ruins of Thailand's 13th Century capital, now a historical park.
3. Khmer ruins
The Khmers of Angkor built several extraordinary temple complexes in Thailand, notably Phimai, Phanom Rung and Muang Tam.
4. Amphawa
Stay riverside in Thailand's fertile plains, where life still revolves around floating markets and cottage industries.
5. Pak Nam Pran
This quiet sandy beach has unusual accommodation - a favourite with weekending Bangkokians.
6. Khuraburi
A community tourism programmes offers the rare chance to experience life in a village on the Andaman coast.
7. Ko Tarutao National Marine Park
Fifty-one stunningly beautiful islands, graced by blindingly white beaches and vibrant reef life.
