The Sahara desert expands at about 1km per month.
90
The North Atlantic gets 2.5 centimetres (1in) wider every year.
119
There's a lake under Antarctica that is 25 million years old called Lake Vostok.
109
There are more than 50,000 earthquakes throughout the world every year!
47
The names of the continents all end with the same letter with which they start, excluding the North and South infront of AmericA.
86
Forest fires move faster uphill than downhill.
52
The Niagara Falls moves upstream at an average rate of about 295ft a century!
48