Situated in Taijiatai Village, Shuiquan Village, Xiong Long County, Xinglong Cave is also known as Yanshan Crystal Palace. As a large limestone cave, Xionglong Cave is one of the most ancient caves in China. The cave enjoys its reputation thanks to the landscape formed by chemical sedimentation in secondary caves. Dozens of scenic spots discovered to date include stalactites, stalagmites, peristeles and curtains. Thanks to corrosion, its karst landscape features stone cakes and natural stone carvings.