Dinosaur bones have been discovered all over the United States. Explore some of America's most exciting dig sites on this interactive map.
A six-hour series on how the West was lost and won, from the Gold Rush in 1848 until Wounded Knee in 1893.
The worldwide migration by eager gold-seekers turned California into a land of opportunity and fierce competition.
William "Buffalo Bill" Cody's legendary exploits helped create the myth of the American West that still endures today.
A daunting story of shipwreck, starvation, mutiny and cannibalism amongst a group left abandoned in the high Arctic.
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.
The Klondike Gold Rush in Canada's Yukon Territory saw 100,000 people make the treacherous journey in search of riches.
Robert Marshall, Aldo Leopold and Howard Zahniser dedicated their lives to protect the shrinking American wilderness.