The story of the polio crusade pays tribute to a time when Americans banded together to conquer a terrible disease. The medical breakthrough saved countless lives and had a pervasive impact on American philanthropy that continues to be felt today.
Engineer James Eads tamed the mighty Mississippi, turning New Orleans into the second largest port in the nation.
Between 1854 and 1929 more than 100,000 abused or orphaned children were sent by train to the Midwest to begin new lives in foster families.
Silent film actress Mary Pickford played a pivotal role in bringing Hollywood into the center of the motion picture industry.
A new religion called spiritualism affected the nation in the era of Abraham Lincoln, P. T. Barnum and Frederick Douglass.
The grave truth behind modern forensics was discovered in 1920s New York.
Television game shows became an instant national phenomenon in 1955, but four years later contestant Charles van Doren admitted they were a scam.
Between 1890 and 1920, 12 million people emigrated from Europe arriving in New York Harbor and Ellis Island.
The story behind the development of the oral contraceptive that put women in control of birth control.