The contradictory history of a dam that became a statement of American power and prestige.
High on a granite cliff in South Dakota's Black Hills tower the huge carved faces of four American presidents: George Washington, Thomas Jefferson, Abraham Lincoln, and Theodore Roosevelt.
The New Deal program CCC put three million young men to work in camps across America.
The epic battle waged over dinosaur fossils by rival paleontologists in the American West.
The inspiring story of the modern environmental movement.
The American effort to relieve starvation in Soviet Russia in 1921 during the worst natural disaster in Europe in 500 years.
Vivid memories of those trapped in the terrifying temblor of 1906 that killed thousands of Californians.
The life of the legendary photographer, known best for his black and white images of the wilderness of the American West.