There's a lake under Antarctica that is 25 million years old called Lake Vostok.
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Europe is the only continent without a desert.
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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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If Manhattan had the same population density as Alaska, there would only be 15 people living there.
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Mexico City is built on top of an underground resevoir!
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Forest growth in the US has exceeded harvest since the 1940’s. Today, we have more trees than any time in the past 100 years.
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The Niagara Falls moves upstream at an average rate of about 295ft a century!
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Due to gravitational effects, you weigh slightly less when the moon is directly overhead.
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