Louisiana is the only state that grows in land area every year (Due to alluvial deposits from the Mississippi River).
41
The average ice berg weighs 20,000,000 tons!
54
The water of the Antarctica is so cold that nothing can rot there.
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More than a dozen men have stood on the surface of the moon, but only three have been to Challenger Deep in the Marianas Trench, the deepest known spot in the ocean.
17
The Niagara Falls moves upstream at an average rate of about 295ft a century!
48
An earthquake on Dec. 16, 1811 caused parts of the Mississippi River to flow backwards.
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One cubic mile of seawater contains about 50 pounds of gold.
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