This is touted as the longest cave system in the world, with 350 miles of wondrous limestone and sandstone formations. For cave tours, visit the Grand Avenue, Frozen Niagara and Fat Man's Misery. These can be seen on lighted tours and paraffin lamp tours. For those who are a little adventurous, choose the route where you can experience crawling in mud and dusty tunnels. Finally, take a boat ride through the Echo River Tour along the underground river.
Be awed in beauty and wonder when you explore the deep rocky canyons, caverns, ancient sea ledges, thorny shrubs, and cactus of this cave tucked below the dessert terrain. There are about 119 caves you can explore which are formed with sulfuric acid and limestone. You can explore the Big Room and Main Corridor with self-guided cave tours or explore the underground with ranger-guided tours like the Bell Cord Room, Bit Frost Room, Bat Cave and the like. At night, you can see the exodus of the Brazilian free-tailed bats.
This covers 173 miles of sparkling calcites or crystals adorning its walls. It is considered the third longest caves to visit in the US. You can also explore some of the drapery formations in its caverns. Choose from among the cave tours being offered mainly the Discovery Tour, Scenic Tour, Historic Lantern Tour, and Wild Caving Tour.
This is known for its 60 foot high that can be viewed from a bridge; you can feel like you are in Niagara Falls only that it is located underground. Although there are no bats in the area, you can explore the wishing well, echo chambers, and a wedding chapel where there are 400 weddings performed to date. This is best for a family adventure for guided cave tours as is it child friendly.
This stretches about 4.6 miles of limestone deposits created over a million years ago. This is famous for its Native American settlers who used the caves as shelter. The cavern system attracts a lot of tourists because of its historical significance related to the Confederates war, the hide out of the infamous Jesse James as well as settings of some of the known movies in the United States.
This was discovered in 1878, and its cavern system is teemed with columns, mud flows, stalagmites, stalactites, and mirrored pools. Explore the Great Stalacpipe Organ with its massive and solenoid fired strikers. The caverns are yellow, brown, or red because of the mix of chemicals and minerals. The Giant's Hall, Pluto's Ghost as well as some draperies are a sight to behold.
This is formed by 100 million years of cretaceous limestone. It boasts of three-dimensional mazes with each walls covered with crystals or sparkling speleothems that are intricately layered to form a beautiful maze. Cave tours will take you to some enchanted areas with caverns, walls and ceilings lined with corals, soda straws, stalagmites, and coral trees.
This is a hair rising experience that will leave you both excited and scared at the same time. This is for the brave who can descend 26 stories underground to explore the caverns deep within. Ruby Falls is a 145-foot high underground waterfall that is formed by a large vertical shaft. You can see the stream that is fed by both rainwater and natural springs as it collects into a pool into the cave floor.
This is a site for the longest continuing lava tube in the United States. It is said that lava cascaded from volcanoes that erupted nearby. It attracts over 170,000 cave tours every year. A view of Mt. St Helens can be seen in the region.
This is an archaeological site, which is also developed for cave tours. The moaning cave is located at the bottom of a spacious vertical shaft at 165 feet tall; you continue descending the 100-foot spiral staircase until you reach the cavern at around 410 feet in depth. Here, you can explore the oldest human remains of pre-historic people in the Americas. The cave has been a resting place for people who fell in its opening; thus, the term named as "moaning cave".