The transcontinental railroad's construction touched the lives of hundreds of thousands of people. Some desired it, some built it, and some did everything in their power to stop it. Browse a photo gallery of settlers, Native Americans, and workers whose lives were affected by the railroad as it traversed the West.
The contradictory history of a dam that became a statement of American power and prestige.
George Eastman introduced the Kodak and Brownie camera systems and transformed photography into something anybody could do.
A six-hour series on how the West was lost and won, from the Gold Rush in 1848 until Wounded Knee in 1893.
The international race to develop biological weapons during the 20th century.
The dramatic story of the streamliners is one of remarkable achievements and opportunities lost.
A uniquely impressionistic history of the early years of the Space Race.
After 18 years of struggles, the Golden Gate Bridge opened on May 27, 1937.
The worldwide migration by eager gold-seekers turned California into a land of opportunity and fierce competition.