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
More than 25% of the world's forests are in Siberia.
51
The Sahara desert expands at about 1km per month.
90
10 of the tributaries flowing into the Amazon river are as big as the Mississippi river.
41
The Caspian Sea is also classed as the world's largest lake.
52
The state with the longest coastline in the Continental U.S. is Michigan.
31
The 'King Ranch' in Texas is bigger than the state of Rhode Island.
49