The life of the legendary photographer, known best for his black and white images of the wilderness of the American West.
The contradictory history of a dam that became a statement of American power and prestige.
A daunting story of shipwreck, starvation, mutiny and cannibalism amongst a group left abandoned in the high Arctic.
The epic battle waged over dinosaur fossils by rival paleontologists in the American West.
Native Alaskans, oil company representatives, environmentalists, politicians, and others tell the story of the 800-mile pipeline.
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.
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.