Like engineering? Explore the Engineering Map of America and see how the most significant feats of science and technology across the US have transformed the landscape. Contribute your own photos and videos at pbs.org/engineeringmap, and download the Mapping History iPhone app!
The story of Chicago's dramatic transformation from a swampy frontier town to a massive metropolis in the nineteenth century.
The grave truth behind modern forensics was discovered in 1920s New York.
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.
In 1967, thousands of hippies flocked to San Francisco's Haight Ashbury district.
P.T. Barnum -- huckster, con man, promoter, entertainer and founder of "The Greatest Show on Earth".
George Eastman introduced the Kodak and Brownie camera systems and transformed photography into something anybody could do.
A marvel of engineering, architecture, and vision, the story of the Beaux Arts structure on 42nd street that forever changed midtown Manhattan.
Between 1890 and 1920, 12 million people emigrated from Europe arriving in New York Harbor and Ellis Island.