The Caspian Sea is also classed as the world's largest lake.
52
There was once an undersea post office in the Bahamas.
241
The time interval from first sighting of the iceberg that sank the Titanic to impact was a little over 30 seconds.
105
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
The Titanic is about as long as the Empire State building is tall.
174
There are approximately three million shipwrecks on the ocean floor, worth billions in value and treasure.
22
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