The Rocky Mountains are the second largest mountain range on Earth, stretching some 2,000 miles from central New Mexico to the northern edge of Canada. Journey deep into the wild heart of the Rocky Mountains and experience this rugged land as never seen before, through the eyes of its iconic wildlife.

A remarkable new story is unfolding in the Arctic. As the ice melts and polar bears struggle to survive, another animal is taking over the polar bear's once dominant role as top predator. An ever-increasing number of killer whales are appearing in Arctic waters. As the polar bear's world is shrinking, the orca's is growing.

Tornados or sandstorms take simple ingredients like air, earth and water and transform them into something spectacular, powerful and incredibly dangerous. And despite scientists studying it for thousands of years, we know far less about how weather works than anyone might expect. This, however, is about to change: by teaming up with maverick experts and renowned specialists from all around the world, a whole range of fascinating new discoveries from...

When thunderclouds begin to gather each year over Botswana's Kalahari, 20,000 zebras get itchy feet. As the first fat raindrops hit the dust, southern Africa's biggest animal migration gets underway. In a never-ending quest for grass and water, the striped herds undertake an annual epic trek across the vast landscape of the Kalahari's Makgadikgadi Pans.

In a hidden realm at the end of the world, amidst the massive ice mountains of Chile's Torres del Paine National Park, condors soar, colorful caracaras keep a sharp eye out for prey, graceful guanacos roam, and vivid pink flamingos make a theatrical appearance.

The tropical islands that lie between Asia and Australia are among the biologically richest on Earth, and are home to a vast number of plants and animals. From tree kangaroos to tarsiers, manta rays to mudskippers, fiddler crabs to fig wasps, the region abounds with life. But why? The answer lies deep in time. The fascinating diversity of life is due to the many millions of years these islands have existed in the tropics--and the power of the earth,...

Taking wing and witness the secret lives of some of our most colorful and popular feathered friends in NATURE's Beautiful Birds. Featuring some of the most fascinating and exotic birds found in nature, hummingbirds, birds of paradise, snowy owls, and ducks of all kinds - these four films capture the hidden lives of birds and our ongoing fascination with with these creatures.