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.
Harry Truman was responsible for finding America's place at the start of the Cold War. Part of the award-winning Presidents collection.
During World War II, more than a thousand women signed up to fly with the U.S. military as WASPS.
The stories of ordinary people in the tumultuous years after the Civil War, when America struggled to rebuild the Union.
After notorious revolutionary leader Pancho Villa's raid on Columbus, New Mexico, General John Pershing and his 150,000 man cavalry set out to get Villa.
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 first around-the-world air race was sponsored to prove that the airplane had a commercial future.
Franklin Roosevelt restored hope after the Great Depression and led the nation during World War II. Part of the award-winning Presidents collection.
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.