If Manhattan had the same population density as Alaska, there would only be 15 people living there.
138
An earthquake on Dec. 16, 1811 caused parts of the Mississippi River to flow backwards.
243
The average ice berg weighs 20,000,000 tons!
54
There are approximately three chickens for every human on Earth.
13
Check your map! Virginia extends farther west than West Virginia.
67
More than 25% of the world's forests are in Siberia.
51
Check your map! The Pacific entrance of the Panama Canal is farther East than the Atlantic entrance.
40