The Caspian Sea is also classed as the world's largest lake.
52
The average ice berg weighs 20,000,000 tons!
54
The water between India and Sri Lanka is only 3-30 feet deep and was purportedly passable on foot until 1480 AD when a cyclone moved some sand around.
1
There are more than 50,000 earthquakes throughout the world every year!
47
The North Atlantic gets 2.5 centimetres (1in) wider every year.
119
Every year, Alaska has about 5,000 earthquakes.
31
Forest fires move faster uphill than downhill.
52