Mammoth Caves located in Brownsville, Kentucky have a series of caves that are known as the longest in the world.
The beautiful caves in Eddy county, New Mexico are 250 million years old.
Wind Cave is located in Wind Cave National park, Hot springs in South Dakota
Luray Caverns are by far one of the biggest caverns discovered in the Eastern US located in Virginia.
The cave got the name due to its features such as crystals with the cramped passage, glittering bold and beautiful colours.
The beautiful cave is known for its underground lake and colourful stone formations.
Located in Missouri, Fantastic Caverns are the only drive-through caves available in America