Mexico City is built on top of an underground resevoir!
47
More than 25% of the world's forests are in Siberia.
51
Israel's Dead Sea is 1,312 feet below sea level.
48
In one day, a full grown redwood tree expels more than 2 tons of water through its leaves.
56
There's a lake under Antarctica that is 25 million years old called Lake Vostok.
109
There are approximately three chickens for every human on Earth.
13
Even Antarctica has an area code. It's 672.
58