P.T. Barnum -- huckster, con man, promoter, entertainer and founder of "The Greatest Show on Earth".
In 1934, American polar explorer Richard Byrd became the first to experience winter in Antarctica's interior.
Murderer, martyr, hero - John Brown's violent crusade against slavery would divide the nation and spark the Civil War.
Two days in 1967 revealed a nation divided over a war that continues to haunt us.
The first woman to fly solo across the Atlantic, Earhart disappeared in 1937 during an attempt to circumnavigate the world by airplane.
The six-part story of a frontiersman farmer and a wealthy Confederate slave-owner's daughter.
The international race to develop biological weapons during the 20th century.