Even Antarctica has an area code. It's 672.
58
A volcano has enough power to shoot ash as high as 50 km into the atmosphere.
59
If Manhattan had the same population density as Alaska, there would only be 15 people living there.
138
The city of Houston, Texas is built on a swamp and is slowly sinking!
89
The North Atlantic gets 2.5 centimetres (1in) wider every year.
119
The Caspian Sea is also classed as the world's largest lake.
52
Europe is the only continent without a desert.
62