The Sahara desert expands at about 1km per month.
90
Even Antarctica has an area code. It's 672.
58
The warmest temperature ever recorded on Antarctica was 3 degrees F.
175
An earthquake on Dec. 16, 1811 caused parts of the Mississippi River to flow backwards.
243
If Manhattan had the same population density as Alaska, there would only be 15 people living there.
138
Check your map! Virginia extends farther west than West Virginia.
67
The Dallas/Ft. Worth airport is larger than New York City's Manhattan Island.
62
Every year, Alaska has about 5,000 earthquakes.
31