Forest fires move faster uphill than downhill.
52
The average ice berg weighs 20,000,000 tons!
54
The North Atlantic gets 2.5 centimetres (1in) wider every year.
119
A waterfall known as The Devil's Kettle empties water into a hole and nobody knows where it ends up!
18
There are approximately three chickens for every human on Earth.
13
In one day, a full grown redwood tree expels more than 2 tons of water through its leaves.
56
A volcano has enough power to shoot ash as high as 50 km into the atmosphere.
59
There's a lake under Antarctica that is 25 million years old called Lake Vostok.
109