Every year, Alaska has about 5,000 earthquakes.
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In 1850, only 8% of the people in California were women.
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Mexico City is built on top of an underground resevoir!
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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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Every person in the world can fit in Texas and be given over 1000 sq ft in which to live.
14
It takes a drop of ocean water more than 1,000 years to circulate around the world.
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The longest cave in the world is the 'Mammoth Cave System' in the USA at 560,000 mtrs deep!
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More than 25% of the world's forests are in Siberia.
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