Sound travels up to 15 times faster through steel than air, at speeds up to 19,000 feet per second.

La Paz, Bolivia has an average annual temperature below 50 degrees Fahrenheit. However, it has never recorded a zero-degree temperature. Same for Stanley, Falkland Islands and Punta Arenas, Chile.

The watersheds that supply water to New York City are roughly the size of Delaware.

AMAZING FACTS