After the boat tour, the caverns offer gemstone mining, in which children can prospect for fossils and gemstones. Visitors can also visit Indiana's largest sinkhole by hiking the half-mile Karst ...

The Grotto is recognized for its “crystal-clear waters, dramatic caves and limestone cliffs overlooking Georgian Bay.” You’ll find this spot located inside the Bruce Peninsula National Park. In fact, ...

Mitchell Caverns feels like stepping into a fantasy world with its bizarre formations. The two connected caverns, El Pakiva and Tecopa, showcase some of the most unusual cave decorations in California ...

The cave reopened this summer after wildfire damage had left it closed for years.