During the Great Depression, Americans built the Hoover Dam, overcoming technical challenges to erect one of the greatest engineering works in history.
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.
Begun during the Civil War, the transcontinental railroad employed 20,000 men, mostly immigrants, who built the iron road with their bare hands.
A marvel of engineering, architecture, and vision, the story of the Beaux Arts structure on 42nd street that forever changed midtown Manhattan.
As the star attraction of Buffalo Bill's Wild West Show, Annie Oakley thrilled audiences around the world with her shooting feats. Part of the Wild West collection.
The remarkable story of how a railroad was built connecting California to the East.
The most daring and innovative accomplishment at the turn of the 20th century.
"The Wizard of Menlo Park," Inventor Thomas Edison, built the first practical light bulb and revolutionized the world.