When an earthen dam broke without warning, a small city in Pennsylvania was swept away in a wall of water over 30 feet high.
This stunning film portrait of Yosemite National Park uses the 1851 diary of the first expedition of soldiers into the Native American territory.
The life of the legendary photographer, known best for his black and white images of the wilderness of the American West.
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 most daring and innovative accomplishment at the turn of the 20th century.
The contradictory history of a dam that became a statement of American power and prestige.
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.
The New Deal program CCC put three million young men to work in camps across America.