Two dogs were among the Titanic survivors.
262
Water is actually naturally blue.
48
Sharks, like other fish, have their reproductive organs in their chests.
248
There was once an undersea post office in the Bahamas.
241
It's impossible to sink in the Dead Sea without equipment!
72
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
The Caspian Sea is also classed as the world's largest lake.
52