The story of the farmers who dreamed of prosperity and lived through ten years of drought, dust, disease and death.
The American effort to relieve starvation in Soviet Russia in 1921 during the worst natural disaster in Europe in 500 years.
Today one of the most-recognized figures in American literary history, poet Walt Whitman was denounced by critics in his own time.
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 contradictory history of a dam that became a statement of American power and prestige.
The inspiring story of the modern environmental movement.
Robert Marshall, Aldo Leopold and Howard Zahniser dedicated their lives to protect the shrinking American wilderness.
The life of the legendary photographer, known best for his black and white images of the wilderness of the American West.