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.
It was the deadliest workplace accident in New York City’s history.
Engineer James Eads tamed the mighty Mississippi, turning New Orleans into the second largest port in the nation.
After 18 years of struggles, the Golden Gate Bridge opened on May 27, 1937.
Accused by a janitor, a respected Harvard professor was hanged for the murder of Dr. George Parkman, one of Boston's richest citizens, in 1849.
The world famous escape artist could escape from everything - except his own mortality.
During the Great Depression, Americans built the Hoover Dam, one of the greatest engineering works in history.
The shocking story of Richard Leopold and Nathan Loeb, two wealthy college students who murdered a 14-year-old boy in 1924.
In 1969, homosexuality was illegal in almost every state... but that was about to change. The Stonewall riots marked a major turning point in the modern gay civil rights movement.