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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Check your map! The Pacific entrance of the Panama Canal is farther East than the Atlantic entrance.
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The 'King Ranch' in Texas is bigger than the state of Rhode Island.
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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 Sahara desert expands at about 1km per month.
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Even Antarctica has an area code. It's 672.
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A volcano has enough power to shoot ash as high as 50 km into the atmosphere.
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Longest officially recognized place name is Taumatawhakatangihangakoauauotamateapokaiwhenuakitanatahu.
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