On February 1, 1913, more than 150,000 people eagerly rushed to Grand Central Terminal to gaze at New York City's newest landmark. A marvel of engineering, architecture, and vision, the new Beaux Arts structure on 42nd street housed an underground electric train station that would revolutionize the way people traveled and transform midtown Manhattan.
Major Walter Reed's discovery in 1900 that mosquitoes spread yellow fever halted an outbreak and led to the disease's eventual eradication.
Television game shows became an instant national phenomenon in 1955, but four years later contestant Charles van Doren admitted they were a scam.
The contradictory history of a dam that became a statement of American power and prestige.
Follow seven former Amish who choose their freedom over their family
Clemente was an exceptional baseball player whose career sheds light on larger issues of immigration, civil rights and cultural change.
In 1934, American polar explorer Richard Byrd became the first to experience winter in Antarctica's interior.
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.
The life story of Aimee Semple McPherson, religious evangelist instrumental in bringing conservative Protestantism into mainstream culture.