President Theodore Roosevelt was caught in the middle of the first major battle for wilderness preservation in Yosemite National Park.
She set out to save a species… us.
In 1934, American polar explorer Richard Byrd became the first to experience winter in Antarctica's interior.
The contradictory history of a dam that became a statement of American power and prestige.
The coal miners' battle for dignity led to the largest armed insurrection since the American Civil War.
Before radar had been invented a devastating hurricane hit America, surprising residents of the East Coast and killing more than 600 people.
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.