Mexico City is built on top of an underground resevoir!
47
The North Atlantic gets 2.5 centimetres (1in) wider every year.
119
An earthquake on Dec. 16, 1811 caused parts of the Mississippi River to flow backwards.
243
The state of Florida is bigger than England!
74
There are more than 50,000 earthquakes throughout the world every year!
47
One cubic mile of seawater contains about 50 pounds of gold.
79
Every person in the world can fit in Texas and be given over 1000 sq ft in which to live.
14