With a history older than the state it’s in Crystal Lake Cave has been Iowa’s hidden treasure from the start. From gem mining where kids can discover their own fossils and gemstones in our specialized gem mining area to a gift shop full of great souvenirs and something for everyone. There’s alway plenty to see when you visit us! Come and visit to see all that we have.

You are invited to visit and witness the ongoing miracle that created this natural masterpiece of the underground panorama. Learn all that Crystal Lake Cave has to offer by exploring our website.