NYC's Metropolitan Transit Authority (MTA) dumps old subway cars into the ocean to serve as artificial reef.
8
In 1992, 29,000 rubber ducks washed off a ship. They were found thousands of miles away 8 years later.
707
Two dogs were among the Titanic survivors.
262
There are approximately three million shipwrecks on the ocean floor, worth billions in value and treasure.
22
Sharks, like other fish, have their reproductive organs in their chests.
248
Jellyfish as a species are actually older than dinosaurs and sharks.
383
The Caspian Sea is also classed as the world's largest lake.
52
There was once an undersea post office in the Bahamas.
241