The state with the longest coastline in the Continental U.S. is Michigan.
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Australia's Great Barrier Reef is 1,250 miles long!
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If Manhattan had the same population density as Alaska, there would only be 15 people living there.
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The Atlantic Ocean is saltier than the Pacific Ocean.
54
Due to gravitational effects, you weigh slightly less when the moon is directly overhead.
55
A waterfall known as The Devil's Kettle empties water into a hole and nobody knows where it ends up!
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