The North Atlantic gets 2.5 centimetres (1in) wider every year.
119
Water is actually naturally blue.
48
There are approximately three million shipwrecks on the ocean floor, worth billions in value and treasure.
22
Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
6
In 1992, 29,000 rubber ducks washed off a ship. They were found thousands of miles away 8 years later.
707
The Caspian Sea is also classed as the world's largest lake.
52
There was once an undersea post office in the Bahamas.
241