Experience the Wonders of Jewel Cave National Monument

Behold some of the world’s most impressive caves in South Dakota's Black Hills! Located within Jewel Cave National Monument, Jewel Cave is the third-largest cave in the world, filled with miles of underground passages and natural calcite crystals and formations. Pair that with miles of rolling prairie grasslands and lush forests on the surface, and you have an awe-inspiring experience you won’t get anywhere else.