Thoroughbred racehorse Seabiscuit was the long shot that captured America's heart during the Depression.
In 1934, American polar explorer Richard Byrd became the first to experience winter in Antarctica's interior.
The international race to develop biological weapons during the 20th century.
Engineer James Eads tamed the mighty Mississippi, turning New Orleans into the second largest port in the nation.
Robert Moses fueled some of the most ambitious -- and controversial -- public works projects ever conceived.
The effort of pioneering researchers to conceive babies through in vitro fertilization.
Prohibition's effect on Detroit, Michigan, the first major American city to "go dry," and the growth of the liquor smuggling industry.
John Philip Sousa was America's favorite bandmaster.