At the height of segregation, an unlikely alliance between a black medical genius and a white surgeon led to a pioneering medical breakthrough.
The impact of tuberculosis in America, once the deadliest killer in human history.
The remarkable story of mid-19th century ingenuity and perseverance during the laying of the transatlantic telegraph cable between North America and Europe.
Native Alaskans, oil company representatives, environmentalists, politicians, and others tell the story of the 800-mile pipeline.
"The Wizard of Menlo Park," Inventor Thomas Edison, built the first practical light bulb and revolutionized the world.
The dramatic story of the streamliners is one of remarkable achievements and opportunities lost.
The most daring and innovative accomplishment at the turn of the 20th century.
In 1960, Francis Gary Powers' U-2 spy plane was shot down over the Soviet Union.