In 1960, Francis Gary Powers' U-2 spy plane was shot down over the Soviet Union. The plane had provided a high-tech peek behind the Iron Curtain during the Cold War.
The remarkable story of mid-19th century ingenuity and perseverance during the laying of the transatlantic telegraph cable between North America and Europe.
The worst epidemic in American history killed over 600,000 Americans during World War I.
The tale of oil-seeking mavericks whose risk-taking, sweat and dreams changed an American industry.
The first around-the-world air race was sponsored to prove that the airplane had a commercial future.
They were the first to brave the unknown.
During the Great Depression, Americans built the Hoover Dam, one of the greatest engineering works in history.
At the height of segregation, an unlikely alliance between a black medical genius and a white surgeon led to a pioneering medical breakthrough.
Engineer James Eads tamed the mighty Mississippi, turning New Orleans into the second largest port in the nation.