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 300-year saga of the American whaling industry.
The contradictory history of a dam that became a statement of American power and prestige.
The life of the legendary photographer, known best for his black and white images of the wilderness of the American West.
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 journey of Prince Maximilian, German naturalist, and artist Karl Bodmer, who explored the Mississippi River area from 1832-1834.
The New Deal program CCC put three million young men to work in camps across America.
Vivid memories of those trapped in the terrifying temblor of 1906 that killed thousands of Californians.
She set out to save a species… us.