The state with the longest coastline in the Continental U.S. is Michigan.
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An earthquake on Dec. 16, 1811 caused parts of the Mississippi River to flow backwards.
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Even Antarctica has an area code. It's 672.
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One cubic mile of seawater contains about 50 pounds of gold.
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There's a lake under Antarctica that is 25 million years old called Lake Vostok.
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The state of Florida is bigger than England!
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