When an earthen dam broke without warning, a small city in Pennsylvania was swept away in a wall of water over 30 feet high.
The coal miners' battle for dignity led to the largest armed insurrection since the American Civil War.
The New Deal program CCC put three million young men to work in camps across America.
This stunning film portrait of Yosemite National Park uses the 1851 diary of the first expedition of soldiers into the Native American territory.
The life of the legendary photographer, known best for his black and white images of the wilderness of the American West.
The contradictory history of a dam that became a statement of American power and prestige.
The inspiring story of the modern environmental movement.
The journey of Prince Maximilian, German naturalist, and artist Karl Bodmer, who explored the Mississippi River area from 1832-1834.
Native Alaskans, oil company representatives, environmentalists, politicians, and others tell the story of the 800-mile pipeline.