Their intense faith and strict adherence to 300-year-old traditions have by turn captivated and repelled, awed and irritated, inspired and confused America.
Malcolm X, a man who both terrified and inspired, expressed the anger and struggle of black people for freedom in the 1960s.
Intrepid journalist Nelly Bly went on a journey around the world breaking the record of Julius Verne's fictional character.
In 1934, American polar explorer Richard Byrd became the first to experience winter in Antarctica's interior.
John Wesley Powell's epic journey into the unknown Grand Canyon was filled with adventure as his team mapped the Colorado River for the first time.
American comandante William Morgan went to Cuba to help Fidel Castro return the country to a democracy. Instead, four years later, he was executed.
A look at the poor Scottish emigrant boy who built a fortune in telegraphy, railroads and steel, and then began systematically to give it all away.
Cuba's Communist leader defied the odds, surviving his Soviet benefactors, the wrath of U.S. presidents, two diplomatic crises and assassination attempts.