In 1960, Francis Gary Powers' U-2 spy plane was shot down over the Soviet Union. The plane had provided a high-tech peek behind the Iron Curtain during the Cold War.
During the defining months of the offensive against Germany, American forces faced a moral and strategic dilemma.
The first officially formed regiment of northern black soldiers who fought in the Civil War.
Robert Noyce's invention of the microchip launched the world into the Information Age.
The dramatic story of the streamliners is one of remarkable achievements and opportunities lost.
The tale of oil-seeking mavericks whose risk-taking, sweat and dreams changed an American industry.
The Pennsylvania Railroad Company accomplished an enormous engineering feat, but destroyed a great architectural monument.
From the Revolutionary War to Operation Desert Storm - newly discovered letters read by celebrity actors tell of courage, longing, and sacrifice.
A brilliant scientist, Oppenheimer was tasked with the development of the atomic bomb during World War II.