Mexico City is built on top of an underground resevoir!
47
Forest fires move faster uphill than downhill.
52
There are more than 50,000 earthquakes throughout the world every year!
47
A waterfall known as The Devil's Kettle empties water into a hole and nobody knows where it ends up!
18
If Manhattan had the same population density as Alaska, there would only be 15 people living there.
138
Europe is the only continent without a desert.
62
The Dallas/Ft. Worth airport is larger than New York City's Manhattan Island.
62
More than a dozen men have stood on the surface of the moon, but only three have been to Challenger Deep in the Marianas Trench, the deepest known spot in the ocean.
17