Forest growth in the US has exceeded harvest since the 1940’s. Today, we have more trees than any time in the past 100 years.
14
An earthquake on Dec. 16, 1811 caused parts of the Mississippi River to flow backwards.
243
Even Antarctica has an area code. It's 672.
58
A volcano has enough power to shoot ash as high as 50 km into the atmosphere.
59
The 'King Ranch' in Texas is bigger than the state of Rhode Island.
49
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
Mexico City is built on top of an underground resevoir!
47