Join Bangkok Airways on an innovative heritage tour of 5 historic kingdoms. From the City of Angels, Bangkok, fly to the first capital of Thailand, Sukhothai.  Then explore Luang Prabang, the ancient capital of the Lan Xang Kingdom, the "Land of a Million Elephants" in Laos.  Next stop Hue, the former capital of Vietnam, and from there on to Siem Reap in Cambodia, home of the legendary Angkor Wat, before returning to Bangkok.  Five great experiences in one great tour of the Mekong region.  Exclusively, with Bangkok Airways.