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

NATURE presents a breathtaking look at wintertime deep within Yellowstone, America's first national park.

For Ernest Thompson Seton, it wasn’t just a question of saving the wilderness. He believed that people had to experience nature in order to care about it. What’s your connection to nature?

Segments from the NATURE episode "The Good, The Bad and the Grizzly" examine how human interaction with grizzlies has alternately endangered and restored the population, and how humans coexist with grizzlies today.

In this video-enhanced lesson, students will learn how human beings have interacted with and impacted the lives of grizzly bears in Yellowstone Park. (Grades 9-12)

Yala National Park in Sri Lanka, one of Asia's most celebrated wildlife preserves, contains one of the world's largest concentrations of leopards.

The Lost World's craggy peaks and twisted rock sculptures may look like scenery from a Steven Spielberg film, but the main artist at work on this production is age.