Politics, culture, race relations, and technology in a year of change.
Native Alaskans, oil company representatives, environmentalists, politicians, and others tell the story of the 800-mile pipeline.
The unusual life of David Vetter, who lived permanently inside a germ-free environment due to severe combined immunodeficiency.
Begun during the Civil War, the transcontinental railroad employed 20,000 men, mostly immigrants, who built the iron road with their bare hands.
The first around-the-world air race was sponsored to prove that the airplane had a commercial future.
The story behind the development of the oral contraceptive that put women in control of birth control.
"The Wizard of Menlo Park," Inventor Thomas Edison, built the first practical light bulb and revolutionized the world.
Engineer James Eads tamed the mighty Mississippi, turning New Orleans into the second largest port in the nation.