The coal miners' battle for dignity led to the largest armed insurrection since the American Civil War.
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 life of the legendary photographer, known best for his black and white images of the wilderness of the American West.
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.
Her 1963 warnings about the effects of pesticides and herbicides sparked a revolution in environmental policy.
Vivid memories of those trapped in the terrifying temblor of 1906 that killed thousands of Californians.