The Sahara desert expands at about 1km per month.
90
A waterfall known as The Devil's Kettle empties water into a hole and nobody knows where it ends up!
18
More than 25% of the world's forests are in Siberia.
51
In 1850, only 8% of the people in California were women.
0
The 'King Ranch' in Texas is bigger than the state of Rhode Island.
49
The Dallas/Ft. Worth airport is larger than New York City's Manhattan Island.
62
Forest fires move faster uphill than downhill.
52
The state of Florida is bigger than England!
74