The worst air polluter in the entire state of Washington is Mount St. Helens.

The highest bridge in the world is located in the Himalyan mountains. It was built by the Indian Army, in 1982, and is about 5,600 metres above sea level.

While still in college, Bill Gates and Paul Allen once built a special purpose machine called "Traff-O-Data." It was a machine that would analyze information gathered by traffic monitors. They never found any buyers.

AMAZING FACTS