The average ice berg weighs 20,000,000 tons!
54
The names of the continents all end with the same letter with which they start, excluding the North and South infront of AmericA.
86
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
A waterfall known as The Devil's Kettle empties water into a hole and nobody knows where it ends up!
18
The longest cave in the world is the 'Mammoth Cave System' in the USA at 560,000 mtrs deep!
63
There's a lake under Antarctica that is 25 million years old called Lake Vostok.
109
Due to gravitational effects, you weigh slightly less when the moon is directly overhead.
55