An earthquake on Dec. 16, 1811 caused parts of the Mississippi River to flow backwards.
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Check your map! The Pacific entrance of the Panama Canal is farther East than the Atlantic entrance.
40
The Dallas/Ft. Worth airport is larger than New York City's Manhattan Island.
62
Israel's Dead Sea is 1,312 feet below sea level.
48
There are more than 50,000 earthquakes throughout the world every year!
47
The city of Houston, Texas is built on a swamp and is slowly sinking!
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The average ice berg weighs 20,000,000 tons!
54
There's a lake under Antarctica that is 25 million years old called Lake Vostok.
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