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.
The historic journey of Apollo 8 captivated the world in 1968 -- a bright spot in a year marked by political assassinations, race riots, and the Vietnam War.
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.
Follow seven former Amish who choose their freedom over their family
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 unbounded optimism of the Jazz Age and the shocking consequences when reality finally hit on October 29th, 1929.
A historic effort to shatter the foundations of white supremacy in what was one of the nation’s most viciously racist, segregated states.
The story behind the development of the oral contraceptive that put women in control of birth control.
The unusual life of David Vetter, who lived permanently inside a germ-free environment due to severe combined immunodeficiency.