Check your map! Virginia extends farther west than West Virginia.
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A waterfall known as The Devil's Kettle empties water into a hole and nobody knows where it ends up!
18
The Amazon rainforest produces more than 20% the world's oxygen supply.
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The average ice berg weighs 20,000,000 tons!
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One cubic mile of seawater contains about 50 pounds of gold.
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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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An earthquake on Dec. 16, 1811 caused parts of the Mississippi River to flow backwards.
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