A waterfall known as The Devil's Kettle empties water into a hole and nobody knows where it ends up!
18
Forest fires move faster uphill than downhill.
52
It takes a drop of ocean water more than 1,000 years to circulate around the world.
61
The North Atlantic gets 2.5 centimetres (1in) wider every year.
119
The state of Florida is bigger than England!
74
A volcano has enough power to shoot ash as high as 50 km into the atmosphere.
59
Israel's Dead Sea is 1,312 feet below sea level.
48
The water of the Antarctica is so cold that nothing can rot there.
334