The average ice berg weighs 20,000,000 tons!
54
The North Atlantic gets 2.5 centimetres (1in) wider every year.
119
If Manhattan had the same population density as Alaska, there would only be 15 people living there.
138
A waterfall known as The Devil's Kettle empties water into a hole and nobody knows where it ends up!
18
There are more than 50,000 earthquakes throughout the world every year!
47
The state of Florida is bigger than England!
74
Australia's Great Barrier Reef is 1,250 miles long!
45
The Niagara Falls moves upstream at an average rate of about 295ft a century!
48