The Naica Cave (Classic)

Dylan goes on a journey to examine the preserved middle finger of astronomer, physicist, and engineer Galileo Galilei.All week, we’re featuring the stories behind a few of our favorite things – from ancient hams to mummified fingers. Want to tell us about your own favorite unusua ... Show More

Created by a volcanic eruption in 2015, this island in the South Pacific no longer exists… but we chat with a person who got to see it before it disappeared.LEARN MORE about Hunga Tonga-Hunga Ha'apai in this Reuters article and see it in the Atlas here 

We talk with anthropologist Manvir Singh, whose research on shamanism took him from the small island of Siberut to study current practitioners, to exploring prehistoric cave art in France. It’s the subject of his new book, “Shamanism: The Timeless Religion” – and in it he also ar ... Show More

There’s a lost continent waiting to be explored, and it’s right below our feet. We’ll dig into the deep human relationship to the underground—and why we understand it from an instinctive point of view, but not so much from a physical one. (Hint: We’re afraid of the dark.) In an e ... Show More

There's a lost continent waiting to be explored, and it’s right below our feet. We’ll dig into the deep, human relationship to the underground, and why we understand it from an instinctive point of view — but not so much from a physical one. (Hint: we’re afraid of the dark.) Nati ... Show More

In 1909, G.E. Kinkaid found a cave in the Grand Canyon containing Egyptian and Asian artifacts. Jimmy Akin and Dom Bettinelli discuss the excavations that began at the time and then how the story vanished from the media. What is the truth of Kinkaid's cave and what did it really ... Show More

Stephen Bishop was an enslaved man who became one of the most famous tour guides in the world. His unusual grave stands near Mammoth Cave National Park. Josie Laures joined a team to spend months in isolation in a cave, in the name of science! 

Crawl into the Maya underworld, where science meets spirits, shamans, and snakes. A long-forgotten cave could shed light on one of history's most enduring questions: why did the ancient Maya collapse? For more information on this episode, visit https://www.nationalgeographic.com/ ... Show More

On December 18th, 1994, three cave scientists discovered a narrow opening in a cliff near the Ardèche River in France. When they cleared enough debris to get inside, they found a cave covered in perfectly preserved 30,000-year-old paintings. Learn more about your ad choices. Visi ... Show More

There are extreme sports and then there is cave diving, the most extreme activity a person can engage in without leaving Earth. Cave divers stay underwater swimming miles into – that’s right – caves, where no human has ever been before. It’s pretty cool. Wade in with Josh and Chu ... Show More

In 1908, President Teddy Roosevelt wanted to declare the Grand Canyon off-limits to all timber and mining operations. It would take another 11 years for Congress to designate the Grand Canyon a national park. Sensing a final opportunity for adventure, explorer G.E. Kincaid took a ... Show More

A teenage potholer discovered a cave system near the town of Bruniquel in France in 1990 which contained a mysterious circular structure. It turned out to be nearly 200,000 years old, and built by Neanderthals – transforming our understanding of Neanderthal culture and society. L ... Show More

Clare crosses the famous ‘Bridge over the Atlantic’ for a ramble on the island of Seil. Her guide is the writer, educator, and director of the Scottish Centre for Geopoetics, Norrie Bissell. Geopoetics is described as “creatively expressing the earth” and is critical of the weste ... Show More