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South Dakota is Home to the Third Biggest Cave on Earth
South Dakota is Home to the Third Biggest Cave on Earth
South Dakota is Home to the Third Biggest Cave on Earth
The State of South Dakota has some pretty famous attractions. Mount Rushmore, Crazy Horse Memorial, The Badlands, Black Hills, the list goes on. But one place that doesn't get mentioned nearly enough is Jewel Cave National Monument in Custer. Here are some interesting facts about the third-largest cave in the world.

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