In 1934, American polar explorer Richard Byrd became the first to experience winter in Antarctica's interior.
The grave truth behind modern forensics was discovered in 1920s New York.
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.
Begun during the Civil War, the transcontinental railroad employed 20,000 men, mostly immigrants, who built the iron road with their bare hands.
The boy behind the myth, who in just a few short years transformed himself from a skinny orphan to the most feared man in the West and an enduring icon. Part of The Wild West collection.
The unusual life of David Vetter, who lived permanently inside a germ-free environment due to severe combined immunodeficiency.
A six-hour series on how the West was lost and won, from the Gold Rush in 1848 until Wounded Knee in 1893.
Brothers Wilbur and Orville Wright built a flying machine that made its first flight in Kitty Hawk, North Carolina in 1903.