Check your map! The Pacific entrance of the Panama Canal is farther East than the Atlantic entrance.
40
One cubic mile of seawater contains about 50 pounds of gold.
79
There's a lake under Antarctica that is 25 million years old called Lake Vostok.
109
Australia's Great Barrier Reef is 1,250 miles long!
45
Forest fires move faster uphill than downhill.
52
In one day, a full grown redwood tree expels more than 2 tons of water through its leaves.
56
Mexico City is built on top of an underground resevoir!
47
Europe is the only continent without a desert.
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