14 Incredible U.S. Caves You’ll Never Forget Once You Visit
Most people think of visiting big cities, national parks, and beaches when they plan a U.S. trip. There’s hardly anyone who’s ...
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Exploring U.S. Caves and Caverns: Nature’s Underground Wonders
The Lost Sea is a unique destination that combines natural beauty with a sense of mystery and adventure. Jewel Cave National Monument (South Dakota) Jewel Cave National Monument in South Dakota is a ...
Lawrence Journal-World19y
Lost Sea a jewel among show caves
Sweetwater, Tenn.? When a 13-year-old boy discovered what is now the world’s second-largest underground lake, he had to crawl through a muddy hole deep inside a cave and throw balls of dirt into ...
Radio France Internationale12d
Inside France's perfectly preserved prehistoric Cussac cave
Discovered 25 years ago in Dordogne, southwestern France, the Cussac cave is an immaculately preserved jewel of prehistory – and so strictly protected by the French ministry of culture that the ...