During World War II, more than a thousand women signed up to fly with the U.S. military as WASPS.
At the height of segregation, an unlikely alliance between a black medical genius and a white surgeon led to a pioneering medical breakthrough.
After 18 years of struggles, the Golden Gate Bridge opened on May 27, 1937.
The grave truth behind modern forensics was discovered in 1920s New York.
The Alaskan Highway stands today as one of the boldest homeland security initiatives ever undertaken.
Engineer James Eads tamed the mighty Mississippi, turning New Orleans into the second largest port in the nation.
A brilliant scientist, Oppenheimer was tasked with the development of the atomic bomb during World War II.
The first around-the-world air race was sponsored to prove that the airplane had a commercial future.