This cave system in Carlsbad Caverns National Park features stunning limestone formations, including the Big Room, which is one of the largest underground chambers in North America.
Mammoth Cave National Park is home to the longest cave system in the world, with over 400 miles of explored passageways.
Mammoth Cave National Park is home to the longest cave system in the world, with over 400 miles of explored passageways.
Located in the Shenandoah Valley, Luray Caverns is famous for its large and well-lit chambers adorned with stalactites, stalagmites, and mirrored pools.
Wind Cave National Park is known for its rare boxwork formations, which are thin, honeycomb-like structures.
Also located in the Black Hills, Jewel Cave National Monument is the third-longest cave in the world, featuring sparkling calcite crystals and intricate passageways.
Situated in Great Basin National Park, Lehman Caves is a marble cave with striking formations such as stalactites, stalagmites, helictites, and flowstone.