It is one of the worlds hidden gems which is starting to get a lot more popular as a great tourist destination. One of the amazing things in the Khao Sok rainforest is the Pra Kay Petch Cave which is also known as the Diamond cave, It was national geographic style in there with stalagmites/tites, monster spiders, bats, dripping water, and sparkly things. It might be a good idea to bring your own torch as it is very dark inside.