The Mystery of Chaco Canyon

A look at the origins, history and conspiracies behind the "Majestic 12", a clandestine group of military and corporate figureheads charged with reverse-engineering extraterrestrial technology.

Nine filmmakers each profile a young girl from a different part of the world to weave a global tapestry of youth in the 21st century.

National Geographic's riveting effort recounts all 12 crewed missions using only archival footage, photos and audio.

Through deeply personal interviews with her siblings and an examination of the photographs, letters, and belongings left behind, Mariska assembles a new portrait of her mother Jayne Mansfield, an extraordinary and complex woman.

The film follows adventurer Jeff Johnson as he retraces the epic 1968 journey of his heroes Yvon Chouinard and Doug Tompkins to Patagonia.

Explore the evolution of Buzz Lightyear from toy to human in the making of Pixar’s Lightyear. Dive into the origin and cultural impact of everyone’s favorite Space Ranger, the art of designing a new “human Buzz,” and the challenges faced by the Lightyear crew along the way.

A documentary on Al Gore's campaign to make the issue of global warming a recognized problem worldwide.

The history of cinematic sound, told by legendary sound designers and visionary filmmakers.

An astonishing journey revealing the awesome power of the natural world. Over the course of one single day, we track the sun from the highest mountains to the remotest islands to exotic jungles.

Scientists examine underground clues from over 250,000 years ago that raise questions about our early relatives — and what it truly means to be human.

Egyptian archaeologists dig into history, discovering tombs and artifacts over 4,000 years old as they search for a buried pyramid in this documentary.

This documentary starring climber Alex Honnold and famous biologist Bruce Means document their expedition to the South American sky islands in search of new species and discoveries. Follows elite climber Alex Honnold and a world-class climbing team led by National Geographic Explorer and climber Mark Synnott on a grueling mission deep in the Amazon jungle as they attempt a first-ascent climb up a 1000 foot sheer cliff.