There's a lake under Antarctica that is 25 million years old called Lake Vostok.
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The Niagara Falls moves upstream at an average rate of about 295ft a century!
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Australia's Great Barrier Reef is 1,250 miles long!
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There are approximately three chickens for every human on Earth.
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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 'King Ranch' in Texas is bigger than the state of Rhode Island.
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The longest cave in the world is the 'Mammoth Cave System' in the USA at 560,000 mtrs deep!
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