Even Antarctica has an area code. It's 672.
58
The longest cave in the world is the 'Mammoth Cave System' in the USA at 560,000 mtrs deep!
63
There are more than 50,000 earthquakes throughout the world every year!
47
The Amazon rainforest produces more than 20% the world's oxygen supply.
182
10 of the tributaries flowing into the Amazon river are as big as the Mississippi river.
41
It's still possible to see the division between East and West Germany due to different light bulbs.
5