The North Atlantic gets 2.5 centimetres (1in) wider every year.
119
The Sahara desert expands at about 1km per month.
90
An earthquake on Dec. 16, 1811 caused parts of the Mississippi River to flow backwards.
243
The 'King Ranch' in Texas is bigger than the state of Rhode Island.
49
Australia's Great Barrier Reef is 1,250 miles long!
45
A volcano has enough power to shoot ash as high as 50 km into the atmosphere.
59
Every year, Alaska has about 5,000 earthquakes.
31