This one-day tour combines the arresting scenic beauty of Kanchanaburi, Thailand's third largest province, with a visit to the famous 'Bridge over the River Kwai' and other WW2 sights. The story of the bridge built by prisoners of war has been immortalized in books and films, and is unraveled at the Thai-Burma Railway Museum

http://www.cbstour.com/disexcursion.php ?no=192

RIVER KWAI WITH LUNCH (EXCLUDING ELEPHANT RIDE) 
     
 Destination : Kanchanaburi 
  
 Fullday tour by bus to the bridge of the River Kwai and trip on Death Railways. Also visit museum where the lives of the P.O.W's during the 2nd World War are portrayed through photographs, illustrations and relics. Lunch at a local restaurant
 
http://www.apriltravel.com/thailand-packa ge.htm

Kanchanaburi is only 126km away from Bangkok with easy access by both rail and road. It is regarded as one of the most beautiful and attractive scenic in the western region of Thailand. Places like " Bridge over the River Kwai" and the notorious " Death Railway" are well-known to visitors from all over the world