The Caspian Sea is also classed as the world's largest lake.
52
An earthquake on Dec. 16, 1811 caused parts of the Mississippi River to flow backwards.
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Louisiana is the only state that grows in land area every year (Due to alluvial deposits from the Mississippi River).
41
Due to gravitational effects, you weigh slightly less when the moon is directly overhead.
55
Check your map! The Pacific entrance of the Panama Canal is farther East than the Atlantic entrance.
40
Check your map! Virginia extends farther west than West Virginia.
67
There are more than 50,000 earthquakes throughout the world every year!
47
The water of the Antarctica is so cold that nothing can rot there.
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