Frog Song: The World of Amphibians

Daring to seek Earth's history contained in glaciers atop the tallest mountains in the world, Dr. Lonnie Thompson found himself on the frontlines of...

This planet of ours is Two Worlds: one of land and one of the ocean. This fascinating program explores a pair of marine animals, the manatee and the...

Askania-Nova is the largest steppe wildlife sanctuary in Europe. It is located in south part of Ukraine, not far from Crimea peninsula. In order to...

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...

Follow ocean legend Sylvia Earle, renowned underwater National Geographic photographer Brian Skerry, writer Max Kennedy and their crew of teenage...

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

Trees talk, know family ties and care for their young? Is this too fantastic to be true? German forester Peter Wohlleben and scientist Suzanne Simard...

This is the story of a vegetable garden, from the first seeds to the harvest. But this garden is different, because here the gardener has decided to...

The earliest home of life on Earth was probably in the warm shallows of the ocean...

In a dark, ambiguous environment, minuscule particles drift slowly before the lens. The image focuses to reveal spruce trees and tall pines, while...

Following Sir Brian May over a decade-long journey to understand the crisis caused by bovine tuberculosis and his opposition to the controversial...