Tours leave every 30 min. You'll be guided at an easy pace along the cave's cool, well-lit passages. Largest variety of formations found in the Midwest. View the famous 40ft icicle fence. Gift shop, "Candy Cavern", and picnic area. AAA recommended. Open May 1 - Oct. 31.
Formations found in Wonderland Cave include Stalactites, Stalagmites, Dogtooth Spar Crystals, Column Formations, Helictites, Lobulites, better known as Popcorn Crystal and frost Crystals. Calcite Lily Pads, Ribbon Stalactites, Boxwork Crystals, Flowstone and many more.