There's a lake under Antarctica that is 25 million years old called Lake Vostok.
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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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Israel's Dead Sea is 1,312 feet below sea level.
48
Due to gravitational effects, you weigh slightly less when the moon is directly overhead.
55
The longest cave in the world is the 'Mammoth Cave System' in the USA at 560,000 mtrs deep!
63
There are more than 50,000 earthquakes throughout the world every year!
47
Forest fires move faster uphill than downhill.
52