Which sites?
https://en.wikipedia.org/wiki/Thi_Lo_Su_Waterfall
Where are they located?
The Thi Lo Su Waterfall (Thai: น้ำตกทีลอซู; rtgs: Nam Tok Thi Lo Su; also spelt as Thee Lor Sue, The Lor Sue, Thee Lor Sue or Te-law-zue) is claimed to be the largest and highest waterfall in Thailand. It stands 250 metres (820 ft) high and nearly 450 metres (1,480 ft) wide on the Mae Klong River, flowing down from Huai Klotho into the Umphang Wildlife Sanctuary in Tak Province in northwestern Thailand.
Why are they important?
Thee Lor sue is top 1 in 7 on the world.
What can be seen there?