The grave truth behind modern forensics was discovered in 1920s New York.
In 1934, American polar explorer Richard Byrd became the first to experience winter in Antarctica's interior.
The most daring and innovative accomplishment at the turn of the 20th century.
At the height of segregation, an unlikely alliance between a black medical genius and a white surgeon led to a pioneering medical breakthrough.
After 18 years of struggles, the Golden Gate Bridge opened on May 27, 1937.
The remarkable story of mid-19th century ingenuity and perseverance during the laying of the transatlantic telegraph cable between North America and Europe.
The internationally famous carnival of delights in New York was the birthplace of the hot dog and the roller coaster.