Australia's Great Barrier Reef is 1,250 miles long!
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The Sahara desert expands at about 1km per month.
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The Niagara Falls moves upstream at an average rate of about 295ft a century!
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Every person in the world can fit in Texas and be given over 1000 sq ft in which to live.
14
The state with the longest coastline in the Continental U.S. is Michigan.
31
The average ice berg weighs 20,000,000 tons!
54