An earthquake on Dec. 16, 1811 caused parts of the Mississippi River to flow backwards.
243
Israel's Dead Sea is 1,312 feet below sea level.
48
Mexico City is built on top of an underground resevoir!
47
Even Antarctica has an area code. It's 672.
58
Every person in the world can fit in Texas and be given over 1000 sq ft in which to live.
14
In 1850, only 8% of the people in California were women.
0
Forest fires move faster uphill than downhill.
52