The Huanglongdong Cave is a world natural heritage site. There are six scenic spots in the cave, such as Maze, Xiangshui River, Fairy Water, Tianzhu Street and Dragon Palace. The whole cave resembles an ancient tree in shape, branching out from the center with grottoes and platforms interconnected with each other. It is reputed as the "all-round champion" of karst caves in the world.