The Niagara Falls moves upstream at an average rate of about 295ft a century!
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A waterfall known as The Devil's Kettle empties water into a hole and nobody knows where it ends up!
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Mexico City is built on top of an underground resevoir!
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Due to gravitational effects, you weigh slightly less when the moon is directly overhead.
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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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The names of the continents all end with the same letter with which they start, excluding the North and South infront of AmericA.
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Louisiana is the only state that grows in land area every year (Due to alluvial deposits from the Mississippi River).
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