The Reptiles
A turtle’s shell is among the most successful pieces of design in the natural world.
A turtle’s shell is among the most successful pieces of design in the natural world.
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Undisturbed the saguaro cactus can grow to 60 feet, weigh 10 tons and live 150 years.
How wildlife and animal life survive in a severe landscape with temperatures well above 115 degrees.
Nine chapters in the history of the Colorado River.
An evocative exploration of a wild and little-known landscape in the heartland of North America.
More than just an awe-inspiring valley, Yosemite is a place where history was made.
Yellowstone Park is seen before and after the 1988 fire.
Winter is a time of scarce resources for wildlife of the park.
Fashion editors, jewelers and celebrities discuss diamonds.
Discover the varied activity, both human and natural, that occurs on the slopes of active volcanoes.
The 1883 eruption of volcano Krakatoa.
Explore techniques developed to probe our planet and how they revolutionized our world.
Investigate the Earth’s most important neighbors: the sun and the moon.
The importance of the atmosphere and the oceans both in creating and destroying life.
The story of the origin of our solar system and the formation of our planet.
A closer look at primates, the closest relatives of human beings.
Fly high with some of the most extraordinary and interesting birds on Earth.
Learn why tigers, lions, jaguars, cheetahs, and snow leopards are superstars.
Starting a dust storm in Australia; lighting a hot plate in a quarry in the U.K.; ice storm.
The crucial role of water in weather; weighing a cloud; how rain could crush a car.
Richard visits one of the windiest places on the planet as he investigates how wind actually starts.
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