There was once an undersea post office in the Bahamas.
241
If Antarctica's ice sheets melted, the worlds oceans would rise by 60 to 65 metres (200 - 210ft) - everywhere
181
The North Atlantic gets 2.5 centimetres (1in) wider every year.
119
Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
6
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
In 1992, 29,000 rubber ducks washed off a ship. They were found thousands of miles away 8 years later.
707
NYC's Metropolitan Transit Authority (MTA) dumps old subway cars into the ocean to serve as artificial reef.
8
Water is actually naturally blue.
48