Animal Face-Off: Hippo vs. Bull Shark

Ocean Predators Immerse yourself deep into the ocean in search of the most dangerous predators in our seas. Unveil the mysteries of these fascinating...

Shark expert Neil Hammerschlag and a crew of researchers search for an elusive hammerhead shark.

A group of lifeguards attempt to kill an atomic shark that is terrorizing the coast of San Diego.

A picturesque family vacation to the Ozarks goes sideways when a group of bull sharks show up just in time for the big fireworks festival that the tow...

A new breed of aggressive, ravenous sharks cracks the frozen ocean floor of an Arctic research station, devouring all who fall through. As the station...

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...

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...

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...

Explorers and amateur directors Mariana Ianovska and Viktor Posnov embark on a 40 day long trip across Umnak Island.

A look at the state of the global environment including visionary and practical solutions for restoring the planet's ecosystems. Featuring ongoing dia...

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...