The Titanic is about as long as the Empire State building is tall.
174
It's impossible to sink in the Dead Sea without equipment!
72
Sharks, like other fish, have their reproductive organs in their chests.
248
There are approximately three million shipwrecks on the ocean floor, worth billions in value and treasure.
22
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
The Caspian Sea is also classed as the world's largest lake.
52
NYC's Metropolitan Transit Authority (MTA) dumps old subway cars into the ocean to serve as artificial reef.
8