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.
Accounting for America's most famous inventor and his role in America's future.
A new religion called spiritualism affected the nation in the era of Abraham Lincoln, P. T. Barnum and Frederick Douglass.
The grave truth behind modern forensics was discovered in 1920s New York.
The tale of oil-seeking mavericks whose risk-taking, sweat and dreams changed an American industry.
During World War II, more than a thousand women signed up to fly with the U.S. military as WASPS.
The evocative stories of teenage hoboes crisscrossing America on trains during the Great Depression.
Roman Catholic priest Father Charles Coughlin used the power of radio to rail against the nation's economic system in the Depression.