TREK - A Journey on the Appalachian Trail

A compilation episode of the wildlife documentary series presented by David Attenborough, uncovering the secrets of animals across the globe.

A documentary on Al Gore's campaign to make the issue of global warming a recognized problem worldwide.

Every year, thousands of Antarctica's emperor penguins make an astonishing journey to breed their young. They walk, marching day and night in single...

For more than 20 years, Maurice & Katia Krafft have traveled the world. From Iceland to Hawaii, from Africa to Indonesia, they are usually the first...

Go to the Big Island and hover above erupting craters at Hawaii Volcanoes National Park, watch flowing orange lava ooze across charred rock and steam...

This 20-minute DVD tour explores Muir Woods almost mystical forest with beautiful video, inspiring music and natural sound effects.

Werner Herzog's documentary film about the "Grizzly Man" Timothy Treadwell and what the thirteen summers in a National Park in Alaska were like in...

In an epic snow year, five friends leave their daily lives behind to hike California's historic John Muir Trail, a 211-mile stretch from Yosemite to...

Provides, through onsite study and observations of a young biologist, an introduction to the life cycle and habitat of the blue heron. Shows its...

After one of the hottest years on record, Sir David Attenborough looks at the science of climate change and potential solutions to this global...