The state with the longest coastline in the Continental U.S. is Michigan.
31
There are more than 50,000 earthquakes throughout the world every year!
47
If Manhattan had the same population density as Alaska, there would only be 15 people living there.
138
Every year, Alaska has about 5,000 earthquakes.
31
The Amazon rainforest produces more than 20% the world's oxygen supply.
182
The Sahara desert expands at about 1km per month.
90
The water of the Antarctica is so cold that nothing can rot there.
334
Connecticut and Rhode Island never ratified the 18th Amendment (Prohibition).
25