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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It takes a drop of ocean water more than 1,000 years to circulate around the world.
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The city of Houston, Texas is built on a swamp and is slowly sinking!
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The Dallas/Ft. Worth airport is larger than New York City's Manhattan Island.
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The Sahara desert expands at about 1km per month.
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Mexico City is built on top of an underground resevoir!
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