Extreme der Tiefsee - Abysses

Every year, thousands of Antarctica's emperor penguins make an astonishing journey to breed their young. They walk, marching day and night in single f...

A caving expedition recently discovered a community of dwarf crocodiles living in the Abanda Caves, Gabon. The crocs are living in pitch darkness, hun...

A portrait of environmental folk hero & gay icon Bob Brown, who took green politics to the center of power. His story is interwoven with the life cycl...

"Serengeti Stories: The Work of Hugo van Lawick" follows the famed wildlife filmmaker and includes clips of his masterpiece, "People of the Forest," a...

A commercial diver is stranded on the seabed with only five minutes of oxygen supply, but with no chance of rescue for more than 30 minutes. With acce...

Arctic Tale is a 2007 documentary film from the National Geographic Society about the life cycle of a walrus and her calf, and a polar bear and her cu...

Fifteen years ago, a handful of African Penguins, normally found only on remote islands off the Southern African coast, stumbled across on of the Cape...

The untold story of South Africa's blackfoot Penguins.

The African penguin is the only penguin that lives on the African continent. It was known as the jackass penguin because of its donkey-like call. This...

A group of scientists are thinking outside the box for ways to reverse the effects of global warming. And who better to save the earth than National G...

In 2009 a team of British cavers went on an expedition deep within the jungle of central Vietnam. To their amazement they discovered an enormous cave...

It is one of the most controversial issues of our day, jeopardizing the health and smearing the reputations of Olympians, professional sports players...