Begun during the Civil War, the transcontinental railroad employed 20,000 men, mostly immigrants, who built the iron road with their bare hands.
With data compiled from tens of thousands of sex questionnaires, Alfred Kinsey changed America's views about sex with the Kinsey Reports.
P.T. Barnum -- huckster, con man, promoter, entertainer and founder of "The Greatest Show on Earth".
The six-part story of a frontiersman farmer and a wealthy Confederate slave-owner's daughter.
A biography of the last outlaws of the American Wild West
An African American civil rights leader, Ida B. Wells was born into slavery before becoming a journalist in Memphis.