Alabaster Caverns State Park

Freedom, OK

Phone: 580-621-3381

Enter one of the largest natural gypsum caves in the world at Alabaster Caverns State Park. This rare cave is open to the public and is the only gypsum show cave in the United States. Alabaster Caverns State Park also features reservable RV and tent sites. Enjoy hiking trails, picnic areas, group shelters with electricity, grills, water, and a volleyball court. For a unique adventure,...

Appalachian Caverns

Blountville, TN

Phone: 423-323-2337

Appalachian Caverns and Campground, located in Northeast Tennessee, is a glorious example of the majesty of nature. It is the perfect destination to experience amazing natural beauty located deep beneath the Earth's surface. The site features guided tours of the caverns, a campground, a picnic area, a gem mine, and a gift shop. Appalachian Caverns has a Gem Mine! Enjoy prospecting for your very own...

Black Chasm Cavern

Volcano, CA

Phone: 209-296-5007

While Black Chasm Cavern was likely known about by the local Miwok people who existed in this area long before the gold rush, the first documented exploration occurred in 1854 when a group of explorers braved the unknown to discover the phenomenal beauty that exists below the surface including a bright blue lake and millions of sparkling crystals that seemed to twist from the cavern...

Black Hills Caverns

Rapid City, SD

Phone: 605-343-0542

The Black Hills Caverns were discovered in 1882 by gold seekers, however, the Lakota Indians located the caverns centuries before. Even now the cave is actively explored revealing new wonders in the beautiful underground landscape. Black Hills Caverns was formed approximately 60 million years ago but is a living cave evolving still today, slowly over time. Black Hills Caverns contains the most complete variety of...

Blanchard Springs Caverns

Mountain View, AR

Phone: 870-757-2211

Blanchard Springs Caverns is a cave system located in the Ozark–St. Francis National Forest in Stone County in northern Arkansas, 2 miles off Highway 14 a short distance north of Mountain View. Forest Service Guides, the tours wind through water-carved passages, including an underground river and the world's largest flowstone. Each trail is a little different in intensity and visitors should be aware of each...

Bluespring Caverns

Bedford, IN

Phone: 812-279-9471

Over 50 smaller streams contained in 18+ miles of known passages combine in the main river passage to create America’s longest navigable underground river. Living in the miles of flowing streams are rare blind cavefish and blind crayfish. Passengers on the custom electric tour boats can usually sight some of these unusual creatures as they float though the winding passages.

Bluff Dwellers Cave

Noel, MO

Phone: 417-475-3666

A fan favorite, the Musical Chimes are the very definition of “hard rock.” The Chimes are cave formations called draperies and are very thin, so delicate that light can shine right through them. When these draperies are tapped on by your trained tour guide they reverberate like a drum, producing a unique sound. This formation has been an icon at Bluff Dwellers Cave since its...

Bridal Cave & Thunder Mountain Park

Camdenton, MO

Phone: 573-346-2676

Guided tours last approximately one hour. Tours are conducted over concrete pathways through the Cave’s refreshing 60-degree environment. Park interpreters will lead you and your family through room after room of incredible mineral deposits. Giant columns, delicate soda straws, and massive draperies abound throughout the cave. Millions of years of struggle between water and rock have created this cavern with more onyx formations than any...

Bristol Caverns

Bristol, TN

Phone: 423-878-2011

Far below the earth's surface, in the timeless beauty of Bristol Caverns, a strange and exciting experience awaits you. Paved, well-lighted walkways wind through the vaulted chambers and along the banks of the ancient Underground River that carved these remarkable caverns from the hard core of the earth 200 to 400 million years ago. In the frontier days, Indians used the Underground River as an...

California Cavern, State Historic Landmark

Vallecito, CA

Phone: 888-488-1960

The Trail of Lakes tour is very similar to the Trail of Lights tour with the exception of pools of water that form throughout the cavern when the water table rises. Depending on the water levels in the cave, a few rooms may not be accessible on the Trail of Lakes tour, But in trade, you enjoy the mirror effect of the water reflecting the...