The Sahara desert expands at about 1km per month.
90
The Niagara Falls moves upstream at an average rate of about 295ft a century!
48
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
In 1850, only 8% of the people in California were women.
0
The Caspian Sea is also classed as the world's largest lake.
52
There are more than 50,000 earthquakes throughout the world every year!
47