Every year, Alaska has about 5,000 earthquakes.
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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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A waterfall known as The Devil's Kettle empties water into a hole and nobody knows where it ends up!
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The water of the Antarctica is so cold that nothing can rot there.
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Every person in the world can fit in Texas and be given over 1000 sq ft in which to live.
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Forest fires move faster uphill than downhill.
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The Niagara Falls moves upstream at an average rate of about 295ft a century!
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