Mexico City is built on top of an underground resevoir!
47
Every year, Alaska has about 5,000 earthquakes.
31
In 1850, only 8% of the people in California were women.
0
If Antarctica's ice sheets melted, the worlds oceans would rise by 60 to 65 metres (200 - 210ft) - everywhere
181
Australia's Great Barrier Reef is 1,250 miles long!
45
It's still possible to see the division between East and West Germany due to different light bulbs.
5
Connecticut and Rhode Island never ratified the 18th Amendment (Prohibition).
25