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.
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.
Intrepid journalist Nelly Bly went on a journey around the world breaking the record of Julius Verne's fictional character.
The Pennsylvania Railroad Company accomplished an enormous engineering feat, but destroyed a great architectural monument.
In September 1959, Soviet Premier Nikita Khrushchev made an unprecedented visit to America, creating a media circus as he traveled from coast to coast.
Silent film actress Mary Pickford played a pivotal role in bringing Hollywood into the center of the motion picture industry.
The story of the polio crusade pays tribute to a time when Americans banded together to conquer a terrible disease.