The Caspian Sea is also classed as the world's largest lake.
52
The water of the Antarctica is so cold that nothing can rot there.
334
Israel's Dead Sea is 1,312 feet below sea level.
48
If Antarctica's ice sheets melted, the worlds oceans would rise by 60 to 65 metres (200 - 210ft) - everywhere
181
The Sahara desert expands at about 1km per month.
90
The Niagara Falls moves upstream at an average rate of about 295ft a century!
48
A waterfall known as The Devil's Kettle empties water into a hole and nobody knows where it ends up!
18
