The internationally famous carnival of delights in New York was the birthplace of the hot dog and the roller coaster.
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.
Begun during the Civil War, the transcontinental railroad employed 20,000 men, mostly immigrants, who built the iron road with their bare hands.
The Alaskan Highway stands today as one of the boldest homeland security initiatives ever undertaken.
George Eastman introduced the Kodak and Brownie camera systems and transformed photography into something anybody could do.
During World War II, more than a thousand women signed up to fly with the U.S. military as WASPS.
A uniquely impressionistic history of the early years of the Space Race.
The international race to develop biological weapons during the 20th century.