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.
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.
A wry philosophical essay on what makes baseball the great American pastime.
The U.S. and the Soviet Union race to build the hydrogen bomb during the Cold War, thus beginning the nuclear arms race.
The dramatic story of the streamliners is one of remarkable achievements and opportunities lost.
A historic effort to shatter the foundations of white supremacy in what was one of the nation’s most viciously racist, segregated states.
The remarkable story of mid-19th century ingenuity and perseverance during the laying of the transatlantic telegraph cable between North America and Europe.
The remarkable story of how a railroad was built connecting California to the East.
The bizarre saga of the Symbionese Liberation Army and Patty Hearst's kidnapping and conversion to her captors' cause.