Grizzly Country
Rangers at Denali National Park train hikers for planned encounters with grizzlies.
Rangers at Denali National Park train hikers for planned encounters with grizzlies.
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The 1883 eruption of volcano Krakatoa.
Footage of the 1988 Yellowstone blaze explores possible causes and the aftermath.
Explore techniques developed to probe our planet and how they revolutionized our world.
Explore how humans have harnessed the forces of the wild, from fire to nuclear power.
Investigate the Earth's most important neighbors: the sun and the moon.
Explore the importance of the atmosphere and oceans both in creating and destroying life.
The story of the origin of our solar system and the formation of our planet.
Europe's great birds of prey and how man's actions endanger them and their habitats.
The macaw's survival may depend on poachers who brought them to the brink of extinction.
The colors, behaviors and habitats of the parrots occupying Australia.
Explore the difficulties and consequences of keeping and caring for parrots as pets.
With high-speed camerawork and breakthrough science, we enter the world of hummingbirds.
Female Adelie penguins lay their eggs then head for the sea as males guard the nests.
A troop of snow monkeys raise their families in the valleys of Japan's Shiga Highlands.
In the Iditarod Sled Dog race, the bond between mushers and their dogs is vital.
Dog trainers take unwanted dogs and train them to herd sheep and sniff bombs.
Hugo van Lawick explores relationships within a wild-dog pack in Africa's Serengeti plain.
Learn how the domestication of dogs might have taken place.
There are over 400 breeds of dog, each unique for its personality, habits, and form.
The breeding, training and behavior of young dogs and what to avoid when choosing a puppy.
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