Native Alaskans, oil company representatives, environmentalists, politicians, and others tell the story of the 800-mile pipeline.
The grave truth behind modern forensics was discovered in 1920s New York.
When two passenger ships collide off Nantucket in 1909, 1,500 people rely on 26-year-old Jack Binns to operate a new technology - wireless telegraphy - to save them all.
The unusual life of David Vetter, who lived permanently inside a germ-free environment due to severe combined immunodeficiency.
The most daring and innovative accomplishment at the turn of the 20th century.
Engineer James Eads tamed the mighty Mississippi, turning New Orleans into the second largest port in the nation.
Equipment failure, human error and bad luck led to the country's worst nuclear accident in 1979.
"The Wizard of Menlo Park," Inventor Thomas Edison, built the first practical light bulb and revolutionized the world.