If Antarctica's ice sheets melted, the worlds oceans would rise by 60 to 65 metres (200 - 210ft) - everywhere
181
NYC's Metropolitan Transit Authority (MTA) dumps old subway cars into the ocean to serve as artificial reef.
8
The Caspian Sea is also classed as the world's largest lake.
52
Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
6
There are approximately three million shipwrecks on the ocean floor, worth billions in value and treasure.
22
Water is actually naturally blue.
48
More than a dozen men have stood on the surface of the moon, but only three have been to Challenger Deep in the Marianas Trench, the deepest known spot in the ocean.
17