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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10 of the tributaries flowing into the Amazon river are as big as the Mississippi river.
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The Atlantic Ocean is saltier than the Pacific Ocean.
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Australia's Great Barrier Reef is 1,250 miles long!
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The Dallas/Ft. Worth airport is larger than New York City's Manhattan Island.
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