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.
When an earthen dam broke without warning, a small city in Pennsylvania was swept away in a wall of water over 30 feet high.
In 1934, American polar explorer Richard Byrd became the first to experience winter in Antarctica's interior.
Today one of the most-recognized figures in American literary history, poet Walt Whitman was denounced by critics in his own time.
The story of the farmers who dreamed of prosperity and lived through ten years of drought, dust, disease and death.
President Theodore Roosevelt was caught in the middle of the first major battle for wilderness preservation in Yosemite National Park.
The epic battle waged over dinosaur fossils by rival paleontologists in the American West.