Chauvet Cave Paintings

What happens when a teenager goes missing in the world’s smallest, and supposedly safest, country? Emanuela Orlandi’s sudden disappearance remains the only missing person’s case in Vatican City, yet more than 40 years later we still have no idea what really happened behind the pa ...  Show more

When it comes to sudden memory loss, the most common forms of amnesia are often short-term, and stem from trauma to the brain. But some cases are much more inexplicable. People with Dissociative Amnesia don't experience brain damage, but still lose large chunks of time… and can 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

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

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

This cave system in England was once the site of a secret club for London's elite. But if you visit today, you'll find more than just stories of old rituals and debaucherous evenings. You might catch a glimpse of a woman in a wedding dress, telling you to leave. Learn more about ...  Show more