
Nature
The history of diamonds, from their beginnings in the earth's core to mining and acquisition.

The history of diamonds, from their beginnings in the earth's core to mining and acquisition.

How wildlife and animal life survive in the severe landscape of Death Valley.

Eruption of volcano Krakatoa

Baboons and eland are some of the creatures who cope with the hostile environment of the Drakensberg Mountains in Southern Africa.

Natural wonders of Hawaii include volcanic eruptions, molten lava, monstrous waves and humpbacked whales.

Unique animals and plants flourish atop mist-shrouded Venezuelan plateaus thousands of feet above the surrounding jungle.

Northwest Montana: wildest country left

Scientists reveal the hidden world of white-tailed deer in a whole new light.

Exploration of Puget Sound's ecosystem.

Sharks, rays, squids and blue whales live in Pacific waters off the California coast.

Take on the mystery of the eel with artist, writer and eminent naturalist James Prosek.

Killer whales snatch sea lion pups from shore, as penguins, maras and guanacos go about their business.

A troop of snow monkeys raise their families in the valleys of Japan's Shiga Highlands.

Chris Morgan embarks on his greatest challenge - to find and film a wild Siberian tiger.

The dramatic story of the rescue of three lion cubs and their release into the wild.

The first comprehensive film chronicle of the jaguar.

Ernest Thompson Seton's tale of a wolf encounter captured the essence of the vanishing wilderness.

The Druids are the first wolves reintroduced into Yellowstone National Park.

In Yellowstone, size and power square off against speed and teamwork: grizzly vs. wolf.

Explore the delicate balance of the interconnected lives of bears, trees, and salmon.