The longest cave in the world is the 'Mammoth Cave System' in the USA at 560,000 mtrs deep!
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The Dallas/Ft. Worth airport is larger than New York City's Manhattan Island.
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There's a lake under Antarctica that is 25 million years old called Lake Vostok.
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There are approximately three chickens for every human on Earth.
13
Check your map! Virginia extends farther west than West Virginia.
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Connecticut and Rhode Island never ratified the 18th Amendment (Prohibition).
25
Israel's Dead Sea is 1,312 feet below sea level.
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