At the height of segregation, an unlikely alliance between a black medical genius and a white surgeon led to a pioneering medical breakthrough.
The Pennsylvania Railroad Company accomplished an enormous engineering feat, but destroyed a great architectural monument.
The founding father laid the groundwork for the nation's modern economy, including the banking system and Wall Street.
For the first time on television, God in America will explore the historical role of religion in the public life of the United States.
The Alabama governor and presidential candidate promised segregation forever.
P.T. Barnum -- huckster, con man, promoter, entertainer and founder of "The Greatest Show on Earth".
The story of the American civil rights movement is told through its powerful music -- the freedom songs that protesters sang on picket lines, in mass meetings, in police wagons, and in jail cells as they fought for justice and equality.
Their intense faith and strict adherence to 300-year-old traditions have by turn captivated and repelled, awed and irritated, inspired and confused America.