Showcases a year in the life of a bear family as two impressionable young cubs are taught life's most important lessons. Set against a majestic Alaskan backdrop teeming with life, their journey begins as winter comes to an end and the bears emerge from hibernation to face the bitter cold. The world outside is exciting-but risky-as the cubs' playful descent down the mountain carries with it a looming threat of avalanches.

Travel with renowned photographer Joel Sartore as he photographs at-risk and rare species in the wild, in zoos, and in nature preserves. The three-part series explores his Photo Ark initiative, which aims to document every species at risk of extinction. The captivating and visually stunning special will reveal why ensuring species future matters to everyone.

Explores the lives and qualities of three remarkable equines. The horses, followed from their first wobbly steps to their hoof-pounding moments of challenge, triumph, and even heroism, are the Chestnut, trained to be a racehorse; the Bay, on his way to a career as a movie stunt horse; and the Black, driven by circumstance and his indomitable spirit to seek a herd in the wild.

Richard Proenneke lived the dream of building a cabin in the Alaskan wilderness near Twin Lakes, and stayed to become a part of the country. This is the simple account of the day-to-day explorations and activities he carried out alone, and the constant chain of nature's events that kept him company.

Looks back at Jane Goodall's career as a primatologist, animal rights advocate, and environmental activist. Comprised of present-day interview segments with Goodall and archival footage of her work studying chimpanzees at Tanzania's Gombe National Park shot by Hugo van Lawick in the 1960s for National Geographic.

Follows four men who, during a 3,000-mile trek from Mexico to Canada, encounter a herd of wild mustangs, which they tame and bring with them on the remainder of the journey. Discusses the plight of wild horses of America's West, animals who run the risk of being detained in federal holding pens sometimes for decades.

Narrated by Meryl Streep, this intimate and unprecedented look at butterflies, hummingbirds, bees, bats and flowers is a celebration of life, as a third of the world's food supply depends on these incredible and increasingly threatened creatures. Directed by acclaimed filmmaker Louie Schwartzberg, WINGS OF LIFE utilizes riveting high-speed, closer-than-close filmmaking techniques to showcase in spectacular detail these unsung heroes of our planet....

Follows the story of a three-year-old African chimpanzee named Oscar who is adopted by the leader of his group when a rival attack leaves him orphaned.

In a place like no other on the planet, the dramatic and desolate Lake Natron in northern Tanzania, viewers will witness a spectacle unlike anything they've seen before as a million crimson-winged flamingos arrive to continue the circle of life. Focusing on the adventures of a single chick set against a backdrop of never-before-filmed landscapes, it is a visually stunning journey into the life and struggles of the mysterious and inspiring flamingo....

Emmy award-winning filmmaker, Brian Wignall, teamed up with his wife, Julie, and their daughter, Amelia, to explore ten natural wonders and mysteries of the American West.