The longest cave in the world is the 'Mammoth Cave System' in the USA at 560,000 mtrs deep!
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There's a lake under Antarctica that is 25 million years old called Lake Vostok.
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The 'King Ranch' in Texas is bigger than the state of Rhode Island.
49
The state with the longest coastline in the Continental U.S. is Michigan.
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The warmest temperature ever recorded on Antarctica was 3 degrees F.
175
Connecticut and Rhode Island never ratified the 18th Amendment (Prohibition).
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