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 worst epidemic in American history killed over 600,000 Americans during World War I.
Though first seen only as an expensive luxury, Alexander Graham Bell's telephone soon transformed American life and became a necessity.
The historic journey of Apollo 8 captivated the world in 1968 -- a bright spot in a year marked by political assassinations, race riots, and the Vietnam War.
The dramatic story of the streamliners is one of remarkable achievements and opportunities lost.
Begun during the Civil War, the transcontinental railroad employed 20,000 men, mostly immigrants, who built the iron road with their bare hands.
The U.S. and the Soviet Union race to build the hydrogen bomb during the Cold War, thus beginning the nuclear arms race.
Engineer James Eads tamed the mighty Mississippi, turning New Orleans into the second largest port in the nation.
A marvel of engineering, architecture, and vision, the story of the Beaux Arts structure on 42nd street that forever changed midtown Manhattan.