The Tree at the End of the World

For centuries, the Northwest Passage, the long-sought sea route connecting the Atlantic and Pacific Oceans through northern Canada, was a holy grail of Arctic exploration. Even now, sailing through it isn’t guaranteed. Mark Synnott, a National Geographic Explorer, writer, and adv ...  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

Anthony Bourdain travels to the bottom of the world to experience the serene beauty and mystery of Antarctica: the driest, coldest, windiest place on Earth. Original Airdate: Season 9, 2017. To learn more about how CNN protects listener privacy, visit cnn.com/privacy Learn more a ...  Show more

Dave Boyer heads to Brazil to explore the largest tropical rainforest on earth. It’s a place of breathtaking beauty and constant sensory stimulation. But here, just one step can lead to calamity. When Dave and his travel companion stray from the trail they realise that once you’r ...  Show more

An expedition to Antarctica. Strange seismic readings. Clues to uncover a hidden part of our planet. For show transcripts, go to bit.ly/unx-transcripts For more, go to http://vox.com/unexplainable It’s a great place to view show transcripts and read more about the topics on our s ...  Show more

Chris Turney is an Earth scientist studying the causes and impacts of environmental and climate change with a focus on the Antarctic. Turney shares tales from his own ambitious expeditions to Antarctica and the greatest challenges Shackelton and his crew faced on the ice. Listen ...  Show more