Modern Engineering Marvels on MSN
Deep in Mammoth Cave, shark teeth rebuild a lost tropical sea
The longest mapped network of caves in the world also contains one of the most implausible marine collections in North America. In Mammoth Cave, sharks and their kinsmen are preserved in layers of ...
James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...
You can even take a boat across the Lost Sea, deep in Tennessee’s Craighead Caverns cave system. Lydia Mansel is a writer with more than eight years of experience editing and writing for both brands ...
Splash Travels on MSN
An underwater cave near Málaga revealed over 40,000-year-old human footprints, the oldest ever foun in the Mediterranean region.
Located east of Malaga, Treasure Cave long attracted divers and visitors without revealing its deeper historical importance.
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