Venice Island was built on a foundation of tree trunks. 1200 years later, those same trunks still support almost all of central Venice.
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One cubic mile of seawater contains about 50 pounds of gold.
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Australia's Great Barrier Reef is 1,250 miles long!
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The water of the Antarctica is so cold that nothing can rot there.
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An earthquake on Dec. 16, 1811 caused parts of the Mississippi River to flow backwards.
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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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In one day, a full grown redwood tree expels more than 2 tons of water through its leaves.
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