The city of Houston, Texas is built on a swamp and is slowly sinking!
89
Due to gravitational effects, you weigh slightly less when the moon is directly overhead.
55
Australia's Great Barrier Reef is 1,250 miles long!
45
Every year, Alaska has about 5,000 earthquakes.
31
Connecticut and Rhode Island never ratified the 18th Amendment (Prohibition).
25
If Manhattan had the same population density as Alaska, there would only be 15 people living there.
138
There are more than 50,000 earthquakes throughout the world every year!
47