The Sahara desert expands at about 1km per month.
90
The 'King Ranch' in Texas is bigger than the state of Rhode Island.
49
10 of the tributaries flowing into the Amazon river are as big as the Mississippi river.
41
A waterfall known as The Devil's Kettle empties water into a hole and nobody knows where it ends up!
18
Mexico City is built on top of an underground resevoir!
47
Forest fires move faster uphill than downhill.
52
There are approximately three chickens for every human on Earth.
13
In 1850, only 8% of the people in California were women.
0