Leopards are the ultimate cats. They are the most feline, the most intelligent, the most dangerous and, until recently, one of the least understood.

It seems everyone has their own skunk story. But what do we really know about these infamous black and white creatures?

Death Valley may seem an unlikely habitat for a fish, but the Devil's Hole pupfish has managed to thrive here for thousands of years.

Creating new land, shaping forests and carving tunnels through the earth, the volcano fascinates a group of scientists and filmmakers who follow its every action.

A baby humpback enters the world and joins the 3,000 or more whales that congregate in the waters off Hawaii each winter. This is the story of her first year of life.

NATURE takes viewers into the simmering cauldron of one of the world's most extreme environments -- the hottest, driest place in North America.

The black mamba is Africa’s deadliest snake. In Swaziland, snake handler Thea Litschka-Koen and her husband, Clifton, endeavor to change attitudes and save lives.

(Airs Sunday, June 27) After a lion kills cheetah cubs Toki and Sambu's mother, veteran wildlife filmmaker Simon King assumes the parenting responsibilities for the orphaned cats.

Discover the epic history of the Druids, one of more than a dozen gray wolf packs now occupying the 2.2 million acres of Yellowstone National Park.