The Amazon rainforest produces more than 20% the world's oxygen supply.
182
Europe is the only continent without a desert.
62
Every person in the world can fit in Texas and be given over 1000 sq ft in which to live.
14
In one day, a full grown redwood tree expels more than 2 tons of water through its leaves.
56
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
The state with the longest coastline in the Continental U.S. is Michigan.
31