A waterfall known as The Devil's Kettle empties water into a hole and nobody knows where it ends up!
18
The North Atlantic gets 2.5 centimetres (1in) wider every year.
119
The Atlantic Ocean is saltier than the Pacific Ocean.
54
The water of the Antarctica is so cold that nothing can rot there.
335
There are more than 50,000 earthquakes throughout the world every year!
47
An earthquake on Dec. 16, 1811 caused parts of the Mississippi River to flow backwards.
243
Even Antarctica has an area code. It's 672.
58

