Her 1963 warnings about the effects of pesticides and herbicides - especially DDT - sparked a revolution in environmental policy and created a new ecological consciousness.
The 300-year saga of the American whaling industry.
The epic battle waged over dinosaur fossils by rival paleontologists in the American West.
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 story of the farmers who dreamed of prosperity and lived through ten years of drought, dust, disease and death.
Today one of the most-recognized figures in American literary history, poet Walt Whitman was denounced by critics in his own time.
President Theodore Roosevelt was caught in the middle of the first major battle for wilderness preservation in Yosemite National Park.
The inspiring story of the modern environmental movement.
Vivid memories of those trapped in the terrifying temblor of 1906 that killed thousands of Californians.