The North Atlantic gets 2.5 centimetres (1in) wider every year.
119
Every person in the world can fit in Texas and be given over 1000 sq ft in which to live.
14
Australia's Great Barrier Reef is 1,250 miles long!
45
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
There's a lake under Antarctica that is 25 million years old called Lake Vostok.
109
The longest cave in the world is the 'Mammoth Cave System' in the USA at 560,000 mtrs deep!
63
Check your map! The Pacific entrance of the Panama Canal is farther East than the Atlantic entrance.
40