Check your map! The Pacific entrance of the Panama Canal is farther East than the Atlantic entrance.
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More than a dozen men have stood on the surface of the moon, but only three have been to Challenger Deep in the Marianas Trench, the deepest known spot in the ocean.
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The warmest temperature ever recorded on Antarctica was 3 degrees F.
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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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The North Atlantic gets 2.5 centimetres (1in) wider every year.
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The state with the longest coastline in the Continental U.S. is Michigan.
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