"The High One"

Spectacular wildlife and breathtaking vistas make Denali National Park a site to behold.

"The One Great Site Which Every American Should See"

Millions of visitors see the Grand Canyon each year. And that's becoming a problem.

"The Land That God Had Forsaken"

In the middle of California's Mojave Desert, there's more than 3-million square miles of desert sand, barren landscape, and scorched earth, known as Death Valley. But despite its extremes there is life there.

Dying Languages

The Enduring Voices Project travels to some of the most remote parts of the world to study Earth's many endangered languages. See them in action in this video of expeditions to Northern Australia and Northeastern India.

Caring for Coral

Coral reefs are the foundation of many marine ecosystems--and they are in danger.

Tiny Turtles Getting Big Help

Endangered sea turtles are making a comeback thanks to the T.E.D. -- the Turtle Excluder Device.

Cocos Revealed

In this video Leandro Blanco and Manu San Félix present a revealing look at the amazing sea life at Cocos Island, including an appearance by the extraordinary frogfish.

Explorer's Greatest Hits

Experience some of the most amazing moments from the past 25 years of Explorer, set to the music of Balkan Beat Box's "Move it!" Explorer: 25 Years airs

Never Before Seen! Sealion Attacks Octopus

New National Geographic Crittercam footage shows never before seen eating habits of the Australian sea lion—including video of a sea lion hunting a large octopus. The footage is from a project intended to help save the endangered sea lions, in part by uncovering where and how the animals eat.