In the 1940s Dr. Walter Freeman gained fame for perfecting the lobotomy, then hailed as a miracle cure for the severely mentally ill. But within a few years, lobotomy was labeled one of the most barbaric mistakes of modern medicine.
In 1934, American polar explorer Richard Byrd became the first to experience winter in Antarctica's interior.
Begun during the Civil War, the transcontinental railroad employed 20,000 men, mostly immigrants, who built the iron road with their bare hands.
When two passenger ships collide off Nantucket in 1909, 1,500 people rely on 26-year-old Jack Binns to operate a new technology - wireless telegraphy - to save them all.
The tale of oil-seeking mavericks whose risk-taking, sweat and dreams changed an American industry.
The unusual life of David Vetter, who lived permanently inside a germ-free environment due to severe combined immunodeficiency.
During the Great Depression, Americans built the Hoover Dam, one of the greatest engineering works in history.
Native Alaskans, oil company representatives, environmentalists, politicians, and others tell the story of the 800-mile pipeline.
The U.S. and the Soviet Union race to build the hydrogen bomb during the Cold War, thus beginning the nuclear arms race.