In the early 20th century dangerous and often poisonous chemicals were included in many common household products. Browse these pictures of medicines, liniments, moonshine and a cyanide furnace.
Corresponding educational resources for this photo gallery can be found on PBS LearningMedia.
With data compiled from tens of thousands of sex questionnaires, Alfred Kinsey changed America's views about sex with the Kinsey Reports.
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.
In 1978 over 900 people led by Rev. Jim Jones died in the largest mass murder-suicide in history, at Jonestown, Guyana.
The story of Chicago's dramatic transformation from a swampy frontier town to a massive metropolis in the nineteenth century.
A year in the life of Wyoming cowboys and the ranching families of the American West.
Intrepid journalist Nelly Bly went on a journey around the world breaking the record of Julius Verne's fictional character.
John Philip Sousa was America's favorite bandmaster.
The story of the polio crusade pays tribute to a time when Americans banded together to conquer a terrible disease.