NYC's Metropolitan Transit Authority (MTA) dumps old subway cars into the ocean to serve as artificial reef.
8
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
There are approximately three million shipwrecks on the ocean floor, worth billions in value and treasure.
22
The North Atlantic gets 2.5 centimetres (1in) wider every year.
119
In 1992, 29,000 rubber ducks washed off a ship. They were found thousands of miles away 8 years later.
707
There was once an undersea post office in the Bahamas.
241