SEA LIFE Bangkok Ocean World boasts the biggest aquarium in South East Asia (unless you count the Pacific!). It's easy to reach by public transport from Bangkok, just take the BTS to Siam Station, or one of several buses heading in the direction.
Flowrider is an extreme sport. One influenced by sports such as skateboarding, surfing, snowboarding and wakeboarding, where players surf on artificial wave simulators at a speed of 38 km/. h. to 48 km/h.
(Please pick up more from an official webite)
In Kanchanaburi outside of Bangkok lies the famous Bridge on the River Kwai, made famous in the book and later film Bridge on the River Kwai, starring Alec Guinness.