Nature
The 1883 eruption of Krakatau.
The 1883 eruption of Krakatau.
A band of young scientists discovers a radical new theory of the natural world.
The current threats by man to five endangered species of rhino are contrasted with its flourishing history.
A newborn fawn faces the challenges of growing up, learning about life and outwitting predators.
Explores relationships within a wild-dog pack.
Diverse plants and animals have adapted to the harsh climatic conditions of southwest Africa.
Capture the interaction between the Kalahari Desert and the Okavango River delta.
Watch as the Kalahari swarms with life brought forth by a brief season of sudden storms.
Undisturbed the saguaro cactus can grow to 60 feet, weigh 10 tons and live 150 years.
The history of diamonds, from their beginnings in the earth's core to mining and acquisition.
How wildlife and animal life survive in a severe landscape with temperatures well above 115 degrees.
The 1883 eruption of Krakatau.
Animals endure hostile environment of South Africa's Drakensberg Mountains.
Volcanoes, monstrous waves and whales of Hawaii.
Unique animals and plants flourish atop mist-shrouded Venezuelan plateaus thousands of feet above the surrounding jungle.
Exploring Ireland's wildlife amid its mountains, coastlines, steep gorges and inland waterways.
Eagles, pumas, sandhill cranes and other creatures seek sustenance from the Colorado River and its environs.
Griffin vultures, imperial eagles, genets and other animals native to Africa find shelter in the forest.
The human and natural histories of the Grand Tetons and Jackson Hole, Wyo., interlink.
Emmy-winning filmmaker Hugh Miles presents a lyrical portrait of Scotland's Caledonian Forest.
Grizzlies, wolves and cougars roam Montana's rugged, pristine Glacier National Park.