Cave of the Mounds National Natural Landmark

Discover Buried Treasure
Discover Fun!

Self-paced tours on lighted paved walkways throughout a natural geologic wonder. See amazing crystal formations and underground pools. Open year round. Guides stationed throughout the Cave for questions and answers along with interpretive signs. Above ground family fun in a beautiful natural setting. Discover Treasure at the Gemstone Mine, explore our Rock & Fossil Gift shop or our Nature Gift Shop, crack open a Geode, walk the Geologic Timeline, hike the Interpretive Nature Trails, and enjoy the Rock, Prairie & Perennial Gardens.