More than a dozen men have stood on the surface of the moon, but only three have been to Challenger Deep in the Marianas Trench, the deepest known spot in the ocean.
17
If Antarctica's ice sheets melted, the worlds oceans would rise by 60 to 65 metres (200 - 210ft) - everywhere
181
There are approximately three chickens for every human on Earth.
13
The water of the Antarctica is so cold that nothing can rot there.
334
The longest cave in the world is the 'Mammoth Cave System' in the USA at 560,000 mtrs deep!
63
It's still possible to see the division between East and West Germany due to different light bulbs.
5
The city of Houston, Texas is built on a swamp and is slowly sinking!
89