When an earthen dam broke without warning, a small city in Pennsylvania was swept away in a wall of water over 30 feet high.
Vivid memories of those trapped in the terrifying temblor of 1906 that killed thousands of Californians.
The inspiring story of the modern environmental movement.
The coal miners' battle for dignity led to the largest armed insurrection since the American Civil War.
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.
The New Deal program CCC put three million young men to work in camps across America.
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.
The contradictory history of a dam that became a statement of American power and prestige.
The story of the farmers who dreamed of prosperity and lived through ten years of drought, dust, disease and death.