The first around-the-world air race was sponsored to prove that the airplane had a commercial future. Four pilots took off from Seattle and two returned 175 days later.
The Alaskan Highway stands today as one of the boldest homeland security initiatives ever undertaken.
Begun during the Civil War, the transcontinental railroad employed 20,000 men, mostly immigrants, who built the iron road with their bare hands.
The story of the polio crusade pays tribute to a time when Americans banded together to conquer a terrible disease.
A uniquely impressionistic history of the early years of the Space Race.
It was the deadliest workplace accident in New York City’s history.
Accounting for America's most famous inventor and his role in America's future.
They were the first to brave the unknown.
The historic journey of Apollo 8 captivated the world in 1968 -- a bright spot in a year marked by political assassinations, race riots, and the Vietnam War.