Australia's Great Barrier Reef is 1,250 miles long!
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The water between India and Sri Lanka is only 3-30 feet deep and was purportedly passable on foot until 1480 AD when a cyclone moved some sand around.
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Forest fires move faster uphill than downhill.
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The Atlantic Ocean is saltier than the Pacific Ocean.
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An earthquake on Dec. 16, 1811 caused parts of the Mississippi River to flow backwards.
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Check your map! Virginia extends farther west than West Virginia.
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