Howard Dully discusses the lobotomy that Walter Freeman performed on him when he was 12.
They were the first to brave the unknown.
The dramatic story of the streamliners is one of remarkable achievements and opportunities lost.
The contradictory history of a dam that became a statement of American power and prestige.
The impact of tuberculosis in America, once the deadliest killer in human history.
The Alaskan Highway stands today as one of the boldest homeland security initiatives ever undertaken.
During the Great Depression, Americans built the Hoover Dam, one of the greatest engineering works in history.
The international race to develop biological weapons during the 20th century.
"The Wizard of Menlo Park," Inventor Thomas Edison, built the first practical light bulb and revolutionized the world.