More than 25% of the world's forests are in Siberia.
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Even Antarctica has an area code. It's 672.
58
The state with the longest coastline in the Continental U.S. is Michigan.
31
Australia's Great Barrier Reef is 1,250 miles long!
45
Due to gravitational effects, you weigh slightly less when the moon is directly overhead.
55
In one day, a full grown redwood tree expels more than 2 tons of water through its leaves.
56
The longest cave in the world is the 'Mammoth Cave System' in the USA at 560,000 mtrs deep!
63