Mark Twain Cave

Hannibal, MO

Phone: 573-231-1000

Traverse the labyrinth which inspired Mark Twain’s famous work, The Adventures of Tom Sawyer, in an easy, hour-long, guided tour of Missouri’s oldest show cave. The 3/8 mile long tour route is lit and walkways are level and smooth. The cave is open year-round and is a constant 52 degrees which makes it the perfect adventure for any day, rain or shine!

Marvel Cave

Branson, MO

Phone: 417-338-3894

Silver Dollar City theme park evolved around the entrance to one of nature's greatest wonders, Marvel Cave. In 1894, Canadian entrepreneur William Henry Lynch and his two daughters, Miriam and Genevieve, opened the cave as an Ozarks tourist attraction. For more than 50 years, Marvel Cave operated as a tourist show cave. In 1950, Hugo Herschend, a Danish immigrant from Chicago, his wife Mary and...

Meramec Caverns

Stanton, MO

Phone: 573-HOT-CAVE

Learn how the ancient Wine Table (World's rarest cave structure) was formed completely underwater. The entire cave complex stretches upwards past the height of a 7-story building and extraordinary formations can be seen throughout. On September 11, 2014, Meramec Caverns unveiled a new state-of-the-art light show. An all-new computerized LED light show replaced a manual incandescent light bulb show. This new light show, accompanied by...

Natural Bridge Caverns

San Antonio, TX

Phone: 210-651-6101

Family Owned and Operated. Welcome to Natural Bridge Caverns, Texas – a premier natural attraction – where you’ll find adventure and fun around every bend. Explore the Discovery Tour, where state-of-the-art lighting illuminates massive, otherworldly formations formed by single drops of water and the slow passage of time. Or, explore our Hidden Passages Tour, where shadows dance over delicate formations and mystery awaits in every...

Niagara Cave

Harmony, MN

Phone: 507-886-6606

WE INVITE YOU TO VISIT OUR FAMILY-OWNED AND OPERATED CAVE TO WITNESS NATURE’S POWER AND BEAUTY UNDERGROUND. Travel far beneath the surface and experience the wonders of Niagara Cave. Witness beautiful passageways sculpted by an ancient underground stream, an active stream and waterfall, and 450-million-year-old fossils! Your underground adventure awaits! RATED AMONG THE BEST CAVES IN THE U.S. by USA Today, Fox News, CNN, and...

Onondaga Cave & Cathedral Cave

Leasburg, MO

Phone: 573-245-6576

A National Natural Landmark, Onondaga Cave is recognized as one of the most spectacular caves in the nation because of the quality of its formations. The cave is part of Onondaga State Park, located near Leasburg. Tours last an hour and 15 minutes and cover about a mile of passageways. The cave’s temperature is 57ºF (13ºC) year-round.

Onyx Cave, Arkansas

Eureka Springs, AR

Phone: 479-253-9321

Come experience Arkansas' oldest Show Cave. Tour the cave and our newly redesigned Gift Shop.

Rushmore Cave

Keystone, SD

Phone: 605-255-4384

Rushmore Cave is the original attraction at Rush Mountain Adventure Park. Adventure seekers have been exploring the cave for over 90 years, and continue to be amazed by the variety of formations and the awe-inspiring BIG ROOM. Cavers continue to seek out new passages and are discovering new areas within the cave still today. If you are an extreme adventure seeker, then the spelunking tour...

Spook Cave

McGregor, IA

Phone: 563-539-4114

The slow processes of nature have been developing the cave near McGregor for centuries and centuries, but it was opened suddenly by man. Early settlers of Clayton County often referred to the strange noises coming from a hole at the base of the hill along Bloody Run Creek, but it took Gerald Mielke to make the discovery of nature's handiwork. These beauties are now available...

Squire Boone Caverns/Village

Mauckport, IN

Phone: 812-732-4381

Explore this living, growing ecosystem deep below Earth’s surface and learn how its passageways were slowly formed over eons of time. Mine for gemstones at our Gem Mining Sluice! Families will love learning about historical mining methods, enjoy a hands-on outdoor activity, and will take home gorgeous gemstones that they uncover themselves! Stalactites, stalagmites, flowstone, and more adorn the cavern walls, ceilings, and floors in...