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Overheard at National Geographic

154 EpisodesProduced by National GeographicWebsite

Come dive into one of the curiously delightful conversations overheard at National Geographic’s headquarters, as we follow explorers, photographers, and scientists to the edges of our big, weird, beautiful world. Hosted by Peter Gwin and Amy Briggs.


Playback: The Tree At the End of the World

Deadly seas. Hurricane-force winds. A punishing journey to the tip of South America is all in a day’s work for Nat Geo Explorer Brian Buma. But Craig Welch, a reporter who calls himself a “normal human being,” also tagged along—and found that a miserable expedition makes for a heck of a story.

For more information on this episode, visit

Want more?

Read Craig’s story about the wind-blasted journey to Cape Horn and see photos of the remote, otherworldly landscape at

Forests are the key to protecting the planet, and they need our help. Subscribers can read more of Craig Welch’s reporting in a special issue of National Geographic all about forests.

Also explore:

At an estimated 5,400 years old, a Patagonian cypress may set a new record for the world’s oldest tree. But some scientists aren’t convinced the math checks out.

High-altitude snow and ice are disappearing much faster than previously assumed, according to climate research in another extreme environment—Mount Everest, called the “roof of the world.”

If you like what you hear and want to support more content like this, please consider a National Geographic subscription. Go to to subscribe today.

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