Howard Dully discusses the lobotomy that Walter Freeman performed on him when he was 12.
Robert Noyce's invention of the microchip launched the world into the Information Age.
After 18 years of struggles, the Golden Gate Bridge opened on May 27, 1937.
During the Great Depression, Americans built the Hoover Dam, one of the greatest engineering works in history.
The contradictory history of a dam that became a statement of American power and prestige.
In 1934, American polar explorer Richard Byrd became the first to experience winter in Antarctica's interior.
Engineered by William Barclay Parsons, the 21-mile, four-track route of the New York City Subway was the largest public works project in history.
The unusual life of David Vetter, who lived permanently inside a germ-free environment due to severe combined immunodeficiency.
The worst epidemic in American history killed over 600,000 Americans during World War I.