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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If Antarctica's ice sheets melted, the worlds oceans would rise by 60 to 65 metres (200 - 210ft) - everywhere
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In one day, a full grown redwood tree expels more than 2 tons of water through its leaves.
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The Sahara desert expands at about 1km per month.
90
The Niagara Falls moves upstream at an average rate of about 295ft a century!
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Even Antarctica has an area code. It's 672.
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Australia's Great Barrier Reef is 1,250 miles long!
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Louisiana is the only state that grows in land area every year (Due to alluvial deposits from the Mississippi River).
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