If Antarctica's ice sheets melted, the worlds oceans would rise by 60 to 65 metres (200 - 210ft) - everywhere
181
Connecticut and Rhode Island never ratified the 18th Amendment (Prohibition).
25
The Atlantic Ocean is saltier than the Pacific Ocean.
54
The state with the longest coastline in the Continental U.S. is Michigan.
31
The longest cave in the world is the 'Mammoth Cave System' in the USA at 560,000 mtrs deep!
63
There's a lake under Antarctica that is 25 million years old called Lake Vostok.
109
Mexico City is built on top of an underground resevoir!
47