There are more than 50,000 earthquakes throughout the world every year!
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The Niagara Falls moves upstream at an average rate of about 295ft a century!
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The city of Houston, Texas is built on a swamp and is slowly sinking!
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Europe is the only continent without a desert.
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Australia's Great Barrier Reef is 1,250 miles long!
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Even Antarctica has an area code. It's 672.
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Due to gravitational effects, you weigh slightly less when the moon is directly overhead.
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There's a lake under Antarctica that is 25 million years old called Lake Vostok.
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