The state with the longest coastline in the Continental U.S. is Michigan.
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There are approximately three chickens for every human on Earth.
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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.
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One cubic mile of seawater contains about 50 pounds of gold.
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The Niagara Falls moves upstream at an average rate of about 295ft a century!
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An earthquake on Dec. 16, 1811 caused parts of the Mississippi River to flow backwards.
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The city of Houston, Texas is built on a swamp and is slowly sinking!
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