The contradictory history of a dam that became a statement of American power and prestige.
The most daring and innovative accomplishment at the turn of the 20th century.
The story of the farmers who dreamed of prosperity and lived through ten years of drought, dust, disease and death.
Before radar had been invented a devastating hurricane hit America, surprising residents of the East Coast and killing more than 600 people.
Today one of the most-recognized figures in American literary history, poet Walt Whitman was denounced by critics in his own time.
Robert Marshall, Aldo Leopold and Howard Zahniser dedicated their lives to protect the shrinking American wilderness.
In 1934, American polar explorer Richard Byrd became the first to experience winter in Antarctica's interior.
The life of the legendary photographer, known best for his black and white images of the wilderness of the American West.