Every year, Alaska has about 5,000 earthquakes.
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The names of the continents all end with the same letter with which they start, excluding the North and South infront of AmericA.
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Mexico City is built on top of an underground resevoir!
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One cubic mile of seawater contains about 50 pounds of gold.
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The Niagara Falls moves upstream at an average rate of about 295ft a century!
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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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The Caspian Sea is also classed as the world's largest lake.
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