In an episode of the 1962 cartoon The Jestons, Jane Jetson is talking through a video phone. The phone number of The Jetsons was VENUS-1234.

U.S. bills are 2.61 inches wide, 6.14 inches long, and are .0043 inches thick and weigh 1 gram.

In 1926, the first outdoor mini-golf courses were built on rooftops in NYC.

AMAZING FACTS