Tai'an Underground Dragon Palace (Formerly Taishan Rift Valley) is located at the foot of Mt. Tai in Wenshui County. The Tai'an Underground Dragon Palace lies at the fault zone of Mt. Tai and Mt, Lu. Come here to witness the wonders of nature! Inside the cave, there are living stones, stalagmite,s stalactites and stone waterfalls everywhere, creating a beautiful, unique piece of scenery. The abundant groundwater flows through the cave, creating these exciting features.