During World War II, more than a thousand women signed up to fly with the U.S. military as WASPS.
Robert Moses fueled some of the most ambitious -- and controversial -- public works projects ever conceived.
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 Alaskan Highway stands today as one of the boldest homeland security initiatives ever undertaken.
At the height of segregation, an unlikely alliance between a black medical genius and a white surgeon led to a pioneering medical breakthrough.
A Utah farm boy builds a prototype for a television, but is thwarted by movie studio executives wanting to control the technology.