Louisiana is the only state that grows in land area every year (Due to alluvial deposits from the Mississippi River).
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The state with the longest coastline in the Continental U.S. is Michigan.
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One cubic mile of seawater contains about 50 pounds of gold.
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The Sahara desert expands at about 1km per month.
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A volcano has enough power to shoot ash as high as 50 km into the atmosphere.
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There's a lake under Antarctica that is 25 million years old called Lake Vostok.
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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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10 of the tributaries flowing into the Amazon river are as big as the Mississippi river.
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