Mexico City is built on top of an underground resevoir!
47
There are more than 50,000 earthquakes throughout the world every year!
47
Forest fires move faster uphill than downhill.
52
A waterfall known as The Devil's Kettle empties water into a hole and nobody knows where it ends up!
18
There are approximately three chickens for every human on Earth.
13
There's a lake under Antarctica that is 25 million years old called Lake Vostok.
109
If Manhattan had the same population density as Alaska, there would only be 15 people living there.
138
An earthquake on Dec. 16, 1811 caused parts of the Mississippi River to flow backwards.
243