In the search for life beyond Earth, planetary scientist and National Geographic Emerging Explorer Kevin Hand looks to the ocean worlds of our solar system, like Jupiter's icy moon, Europa.
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Every year, thousands of snakes gather at the Narcisse Snake Dens in Manitoba, Canada. It's billed as the largest gathering of snakes anywhere in the world. Manitoba's climate and geology make it the perfect place for red-sided garter snakes to live and mate.

Titanic: The Final Word With James Cameron : James Cameron and his team pull together a new CGI of how they believe the TItanic sank and reached the ocean floor.
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Erik and his wife are breaking through the deep snow to make trails to the nearby lake.
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Join three seasoned adventurers as they climb and ski several peaks in Grand Teton National Park. The Tetons are among the most rugged mountains in the lower 48.
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If you visit New Orleans as a tourist, one of your options is a bus ride called the Hurricane Katrina Tour. Reliving one of the worst storms of the century could be painful, but for John Olivard, it's a form of therapy.

Colbert Held is a former United States Foreign Service officer who has amassed a photo collection spanning 48 years and 17 countries. He did so to have a detailed, photographic record of all the landscapes he visited, a complete geographical archive of his own.

National Geographic Young Explorer Emily Ainsworth is a fearless anthropologist/photographer who joins a Mexican circus and gains privileged insight into the brighter and darker sides of a world of magic, masquerade, and skill.