Native Alaskans, oil company representatives, environmentalists, politicians, and others tell the story of the 800-mile pipeline.
The contradictory history of a dam that became a statement of American power and prestige.
John Wesley Powell's epic journey into the unknown Grand Canyon was filled with adventure as his team mapped the Colorado River for the first time.
A personal story of one family's dramatic effort to hold onto their family farm in Iowa as massive foreclosures sweep the nation in the 1990s.
The coal miners' battle for dignity led to the largest armed insurrection since the American Civil War.
The life of the legendary photographer, known best for his black and white images of the wilderness of the American West.
In 1927, the Mississippi River flooded from New Orleans to Illinois, leaving a million people homeless and leading to a major black migration to the North.
In 1934, American polar explorer Richard Byrd became the first to experience winter in Antarctica's interior.