Europe is the only continent without a desert.
62
If Manhattan had the same population density as Alaska, there would only be 15 people living there.
138
There are more than 50,000 earthquakes throughout the world every year!
47
The longest cave in the world is the 'Mammoth Cave System' in the USA at 560,000 mtrs deep!
63
The Atlantic Ocean is saltier than the Pacific Ocean.
54
If Antarctica's ice sheets melted, the worlds oceans would rise by 60 to 65 metres (200 - 210ft) - everywhere
181
The Niagara Falls moves upstream at an average rate of about 295ft a century!
48