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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Longest officially recognized place name is Taumatawhakatangihangakoauauotamateapokaiwhenuakitanatahu.
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The Sahara desert expands at about 1km per month.
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Every year, Alaska has about 5,000 earthquakes.
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Due to gravitational effects, you weigh slightly less when the moon is directly overhead.
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The city of Houston, Texas is built on a swamp and is slowly sinking!
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The average ice berg weighs 20,000,000 tons!
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