The life of the legendary photographer, known best for his black and white images of the wilderness of the American West.
Vivid memories of those trapped in the terrifying temblor of 1906 that killed thousands of Californians.
Her 1963 warnings about the effects of pesticides and herbicides sparked a revolution in environmental policy.
In 1934, American polar explorer Richard Byrd became the first to experience winter in Antarctica's interior.
The epic battle waged over dinosaur fossils by rival paleontologists in the American West.
Native Alaskans, oil company representatives, environmentalists, politicians, and others tell the story of the 800-mile pipeline.
A daunting story of shipwreck, starvation, mutiny and cannibalism amongst a group left abandoned in the high Arctic.
The 300-year saga of the American whaling industry.