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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 (over 50 kilometres or 30 miles) of documented passageways.
This page was last edited on 28 January 2025, at 16:23 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.
The 100-foot (30 m)-wide crescent shaped opening to the cave lies at the bottom of a sinkhole, formed when the roof of the cave collapsed. It is the summer home to the largest colony of bats in the world. An estimated 20 million Mexican free-tailed bats roost in the cave from March to October making it the largest known concentration of mammals ...
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Continent Country System Length coordinates Discovery Associated parks, protected areas Africa Algeria Ghar Boumâaza [] (Tafna [] river) (غار بومعزة): 18.400 km (11.4 mi) [1
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Hornos Island; Southernmost point in the Tierra del Fuego islands of South America and the official dividing point between the Atlantic and Pacific oceans. Roughly 2 degrees of latitude farther south than Chile's Cape Froward, the southernmost point on the mainland of South America, in the Magellan Strait. Cape Agulhas: South Africa
With the Railroad Bridge as a backdrop, the Mayflower II crew makes its way through the Cape Cod Canal in 2022. The ship is a historic reproduction of the ship that brought the Pilgrims to the ...