Inside Pennsylvania Hall in 1838, an abolitionist meeting was disrupted when members of an anti-abolitionist mob threw rocks through the windows. The following night, the protestors set fire to the building -- completely destroying Philadelphia's monument to free speech.
His stunning triumph at the 1936 Olympic Games captivated the world even as it infuriated the Nazis. Premiering May 1.
The international manhunt to catch the killer of Martin Luther King.
America came apart in 1964 and has since been reborn.
Men and women, black and white, risked their lives to carve an elaborate network of escape routes out of slavery.
During World War II, more than a thousand women signed up to fly with the U.S. military as WASPS.
Dwight D. Eisenhower was one of America's least understood presidents. Part of the award-winning Presidents collection.
A brilliant scientist, Oppenheimer was tasked with the development of the atomic bomb during World War II.
Joseph Goebbels, the second most powerful man in Nazi Germany, was the mastermind behind Adolf Hitler's success.