The North Atlantic gets 2.5 centimetres (1in) wider every year.
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The longest cave in the world is the 'Mammoth Cave System' in the USA at 560,000 mtrs deep!
63
A waterfall known as The Devil's Kettle empties water into a hole and nobody knows where it ends up!
18
The Sahara desert expands at about 1km per month.
90
Forest growth in the US has exceeded harvest since the 1940’s. Today, we have more trees than any time in the past 100 years.
14
Every person in the world can fit in Texas and be given over 1000 sq ft in which to live.
14
The 'King Ranch' in Texas is bigger than the state of Rhode Island.
49