In 1960, Francis Gary Powers' U-2 spy plane was shot down over the Soviet Union.
During the Great Depression, Americans built the Hoover Dam, one of the greatest engineering works in history.
A courageous band of civil rights activists called Freedom Riders who in 1961 challenged segregation in the American South.
Legendary bank robber John Dillinger garnered the admiration of many struggling Americans, but FBI took him down with a message: crime doesn't pay.
"The Wizard of Menlo Park," Inventor Thomas Edison, built the first practical light bulb and revolutionized the world.
The bizarre saga of the Symbionese Liberation Army and Patty Hearst's kidnapping and conversion to her captors' cause.
Of all the alphabet agencies of the New Deal, none captured the public's imagination like J. Edgar Hoover's FBI.
In 1934, American polar explorer Richard Byrd became the first to experience winter in Antarctica's interior.