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
There's a lake under Antarctica that is 25 million years old called Lake Vostok.
109
Even Antarctica has an area code. It's 672.
58
Israel's Dead Sea is 1,312 feet below sea level.
48
Check your map! The Pacific entrance of the Panama Canal is farther East than the Atlantic entrance.
40
The Sahara desert expands at about 1km per month.
90