Visit Bangkok's hightlights the Grand Palace, Wat Pho and Wat Ben. Discover the Bang Pa-In summer palace, the ruins of Ayutthaya and Phra Nakorn Khiri (the hilltop summer palace) Explore the River Kwai, the wooden bridge, hellfire pass and ride a train along the death railway. glaze . Stay overnight on a traditional floating hut, shop at the Maeklong train market and Damnoen Saduak floating market and relax on Hua hin beach