The passenger pigeon, the most abundant bird species in North America for thousands of years, became extinct by human hands in a geologic heartbeat. Its story remains relevant to conservation challenges today, and there are even plans for its possible revival. Rare archival material, CGI animation, and aerial cinematography combine to recreate the awe-inspiring nature of these birds.

“Entourage” star Adrian Grenier ventures to Cocos Island off the shore of Costa Rica to bring attent...

An intimate and political history of the French working class from the early 1950s to the present da...

The Tasmanian Tiger twists and turns depending on how it's seen. Sheep-killing beast or tragic victi...

Humans hunt for baby apes. But things are not always done properly when chimpanzees and orangutans a...

Werner Herzog's documentary film about the "Grizzly Man" Timothy Treadwell and what the thirteen sum...

Echo is a youngster who can't quite decide if it's time to grow up and take on new responsibilities-...

This shows physicist Stephen Hawking's life as he deals with the ALS that renders him immobile and u...

The highest mountain range in the world, the Himalayan range is far reaching, spanning thousands of ...

Every year, thousands of Antarctica's emperor penguins make an astonishing journey to breed their yo...

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

The American Southwest is a feature length blue chip natural history film narrated by indigenous env...

From the turtles of the Farasan Islands to the ibex that dot the Asir Mountains, this documentary ca...

As the most dammed, dibbed, and diverted river in the world struggles to support thirty million peop...

Filmed over 23 years, Rise of the Warrior Apes tells the epic story of an extraordinary troop of chi...

A dazzling journey through time via the remarkable images of National Geographic photographer Frans ...

Hamburg, Germany, 1939. Getting a passage aboard the passenger liner St. Louis seems to be the last ...

A look at the state of the global environment including visionary and practical solutions for restor...