Mexico City is built on top of an underground resevoir!
47
The names of the continents all end with the same letter with which they start, excluding the North and South infront of AmericA.
86
The warmest temperature ever recorded on Antarctica was 3 degrees F.
175
Even Antarctica has an area code. It's 672.
58
In one day, a full grown redwood tree expels more than 2 tons of water through its leaves.
56
Venice Island was built on a foundation of tree trunks. 1200 years later, those same trunks still support almost all of central Venice.
8
A waterfall known as The Devil's Kettle empties water into a hole and nobody knows where it ends up!
18