If Manhattan had the same population density as Alaska, there would only be 15 people living there.
138
The city of Houston, Texas is built on a swamp and is slowly sinking!
89
More than 25% of the world's forests are in Siberia.
51
An earthquake on Dec. 16, 1811 caused parts of the Mississippi River to flow backwards.
243
In 1850, only 8% of the people in California were women.
0
Forest fires move faster uphill than downhill.
52
Europe is the only continent without a desert.
62
It takes a drop of ocean water more than 1,000 years to circulate around the world.
61