Even Antarctica has an area code. It's 672.
58
The Atlantic Ocean is saltier than the Pacific Ocean.
54
The Niagara Falls moves upstream at an average rate of about 295ft a century!
48
There are approximately three chickens for every human on Earth.
13
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