Take a guided tour through over 3,000 feet of well-lit passageways, showing nature's crystal menagerie and intricate formations. Gift shop and picnic grounds also on site.
Hours: 9-6 daily, Memorial Day-Labor Day; reduced hours, May, Sep.-Oct.
Address: 3 miles South of Dubuque on Hwy 52
Our Email: firstname.lastname@example.org
Come visit us in Dubuque, Iowa