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.
Begun during the Civil War, the transcontinental railroad employed 20,000 men, mostly immigrants, who built the iron road with their bare hands.
During World War II, more than a thousand women signed up to fly with the U.S. military as WASPS.
The worldwide migration by eager gold-seekers turned California into a land of opportunity and fierce competition.
The remarkable story of mid-19th century ingenuity and perseverance during the laying of the transatlantic telegraph cable between North America and Europe.
It was the deadliest workplace accident in New York City’s history.
The international race to develop biological weapons during the 20th century.
The Klondike Gold Rush in Canada's Yukon Territory saw 100,000 people make the treacherous journey in search of riches.
The impact of tuberculosis in America, once the deadliest killer in human history.