The Dallas/Ft. Worth airport is larger than New York City's Manhattan Island.
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The Sahara desert expands at about 1km per month.
90
Mexico City is built on top of an underground resevoir!
47
Israel's Dead Sea is 1,312 feet below sea level.
48
Forest growth in the US has exceeded harvest since the 1940’s. Today, we have more trees than any time in the past 100 years.
14
An earthquake on Dec. 16, 1811 caused parts of the Mississippi River to flow backwards.
243
The Caspian Sea is also classed as the world's largest lake.
52
Every person in the world can fit in Texas and be given over 1000 sq ft in which to live.
14