Fossilized bird droppings are one of the chief exports of Nauru, an island nation in the Western Pacific.

On April 4, 1974, John Massis of Belgium pulled two New York Long Island railroad passenger cars totaling 80 tons with a thick rope, with a small bit attached, using only his teeth.

The Hoover Dam was built to last 2,000 years. Its concrete will not be fully cured for another 500 years.

AMAZING FACTS