The internationally famous carnival of delights in New York was the birthplace of the hot dog and the roller coaster.
Engineered by William Barclay Parsons, the 21-mile, four-track route of the New York City Subway was the largest public works project in history.
Begun during the Civil War, the transcontinental railroad employed 20,000 men, mostly immigrants, who built the iron road with their bare hands.
Prohibition's effect on Detroit, Michigan, the first major American city to "go dry," and the growth of the liquor smuggling industry.
Between 1890 and 1920, 12 million people emigrated from Europe arriving in New York Harbor and Ellis Island.
Though first seen only as an expensive luxury, Alexander Graham Bell's telephone soon transformed American life and became a necessity.
A new religion called spiritualism affected the nation in the era of Abraham Lincoln, P. T. Barnum and Frederick Douglass.
A marvel of engineering, architecture, and vision, the story of the Beaux Arts structure on 42nd street that forever changed midtown Manhattan.