Bangkok Grand Palace and River of Kings Canal Cruise Small-Group Tour. Board a longtail boat for a journey along the Chao Phraya River (River of Kings) and explore the canals of Bangkok. Your half-day tour includes cultural highlights of the Thai capital such as the majestic Grand Palace where you can view the Emerald Buddha at Wat Phra Kaew. You’ll also visit Wat Pho, a temple that houses the Reclining Buddha. Numbers are limited to 12 for a small-group experience. Book and Save 20%! Bangkok Grand Palace and River of Kings Canal Cruise Small-Group Tour.