After a good consideration we merged Grand and Mekong Tour into Siam Explorer. This tour encompasses region that was for centuries called Siam. You will see Thailand at its best. From elephant rides, hill tribes and trip to Burma in the North to palm fringed beaches of Gulf of Thailand, from a visit to Angkor Wat temples in the Cambodia and the Laos capital Vientiane to ride on River Kwai "Death railway" in the West. There will be hardly anything that is worth seeing in Thailand that you will miss out. If you have three weeks to burn this will be the tour that you will never forget.