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Jewel Cave National Monument contains Jewel Cave, currently the fifth longest cave in the world and second longest cave in the United States, with 220.01 miles (354.07 km) of mapped passageways as of May 2024. [3] [4] [5] It is located approximately 13 miles (21 km) west of the town of Custer in Black Hills of South Dakota.
All known breathing caves are solutional caves, and breathing caves tend to be much longer than most other caves.Four of the ten longest caves in the world are breathing caves (namely Jewel Cave, Wind Cave, Clearwater Cave, and Lechiguilla Cave).
The limestone preferentially dissolved, leaving a crystalline calcite boxwork behind. Other outstanding examples occur in Cody Caves, Cody Caves Provincial Park in British Columbia, Canada. Boxwork can also be seen at Jewel Cave National Monument (near Wind Cave), and at Inner Space Cavern near Georgetown, Texas, United States.
This is a list of caves of the world that have articles or that are properly cited. They are sorted by continent and then country. They are sorted by continent and then country. Caves which are in overseas territories on a different continent than the home country are sorted by the territory's continent and name.
Bat Cave; Carter Caves State Park; Cascade Caverns; Colossal Cavern; Diamond Caverns; Eleven Jones Cave; Fisher Ridge Cave System; Glover's Cave; Goochland Cave; Great Onyx Cave; Great Saltpetre Cave; Horse Cave also known as "Hidden River Cave" Lost River Cave; Mammoth Cave; Martin Ridge Cave System; Oligo-Nunk Cave System
Caves are found around the world. The largest form in areas of karst landforms whose rocks dissolve easily. Preferable conditions for karst cave formation are adequate precipitation, enough plants and animals to produce ample carbon dioxide, and a landscape of gentle hills which drains slowly.
Rarely, natural caves or tunnel systems can be of great extent; the cave system with the greatest total length of passage is Mammoth Cave (Kentucky, USA) at 591 kilometers (367 mi) in length, whilst the next most extensive known cave is Jewel Cave near Custer, South Dakota, USA, at 225 kilometers (140 mi). [6]
Engelbrecht Cave, 2016 Tantanoola Cave, 2013 Cave Gardens, 2016. Kangaroo Island ... Jewel Cave; Lake Cave; Mammoth Cave; Moondyne Cave; Ngilgi Cave (formerly ...