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.
The journey of Prince Maximilian, German naturalist, and artist Karl Bodmer, who explored the Mississippi River area from 1832-1834.
A personal story of one family's dramatic effort to hold onto their family farm in Iowa as massive foreclosures sweep the nation in the 1990s.
The New Deal program CCC put three million young men to work in camps across America.
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.
Before radar had been invented a devastating hurricane hit America, surprising residents of the East Coast and killing more than 600 people.