During the Great Depression, Americans built the Hoover Dam, overcoming technical challenges to erect one of the greatest engineering works in history.
The U.S. and the Soviet Union race to build the hydrogen bomb during the Cold War, thus beginning the nuclear arms race.
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 Klondike Gold Rush in Canada's Yukon Territory saw 100,000 people make the treacherous journey in search of riches.
The most daring and innovative accomplishment at the turn of the 20th century.
William "Buffalo Bill" Cody's legendary exploits helped create the myth of the American West that still endures today.
The unusual life of David Vetter, who lived permanently inside a germ-free environment due to severe combined immunodeficiency.
The contradictory history of a dam that became a statement of American power and prestige.
A brilliant scientist, Oppenheimer was tasked with the development of the atomic bomb during World War II.