Water is actually naturally blue.
48
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
Sharks, like other fish, have their reproductive organs in their chests.
248
The Titanic is about as long as the Empire State building is tall.
174
The time interval from first sighting of the iceberg that sank the Titanic to impact was a little over 30 seconds.
105
There was once an undersea post office in the Bahamas.
241
Two dogs were among the Titanic survivors.
262