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The Caverns at Natural Bridge; Clarks Cave; Dixie Caverns; Endless Caverns; Gap Cave; Grand Caverns, formerly "Weyer's cave" Indian Jim's Cave; Luray Caverns; Melrose Caverns; Natural Tunnel; Ogdens Cave; Shenandoah Caverns; Skyline Caverns; Stay High Cave; Unthanks Cave
Mammoth Cave, the longest known cave system in the world. The following is a list of the longest caves in the United States per length (> 50 km) of documented passageways. . Many passageways are still being discovered; this list is based on the latest verifiable
The Big Room is the largest chamber in North America and the 32nd largest in the world. [4] In 1930, Carlsbad Caverns was established as a national park and was also recognized as a World Heritage Site in 1995. According to The Travel, it is renowned globally for being "one of the most accessible and best-preserved cave complexes in the world".
Stalagmites, stalactites, and draperies by a pool. Lechuguilla Cave offers more than extreme size. It holds a variety of rare speleothems, including lemon-yellow sulfur deposits, 20-foot (6.1 m) gypsum chandeliers, 20-foot (6.1 m) gypsum hairs and beards, 15-foot (4.6 m) soda straws, hydromagnesite balloons, cave pearls, subaqueous helictites, rusticles, U-loops, and J-loops.
The Grand Canyon Caverns (Havasupai: Ŧathiil Ñwaʼa or Ŧathiil Ñhaʼa, [2), located just a few miles east of Peach Springs, Arizona, lie 210 feet (64 m) below ground level. They are among the largest dry caverns in the United States.
Craighead Caverns is an extensive cave system located in between Sweetwater and Madisonville, Tennessee. It is best known for containing the United States ' largest and the world's second largest non- subglacial underground lake, The Lost Sea .
Cumberland Caverns is a national natural landmark and show cave located in McMinnville, Tennessee. [ 2 ] [ 3 ] It is the second longest cave in Tennessee and the twelfth longest cave in the United States .
Meramec Caverns is the collective name for a 4.6-mile (7.4 km) cavern system in the Ozarks, near Stanton, Missouri. [1] The caverns were formed from the erosion of large limestone deposits over millions of years. Pre-Columbian Native American artifacts have been found in the caverns.