NYC's Metropolitan Transit Authority (MTA) dumps old subway cars into the ocean to serve as artificial reef.
8
There was once an undersea post office in the Bahamas.
241
It's impossible to sink in the Dead Sea without equipment!
72
Jellyfish as a species are actually older than dinosaurs and sharks.
383
The Titanic is about as long as the Empire State building is tall.
174
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
The Caspian Sea is also classed as the world's largest lake.
52
There are approximately three million shipwrecks on the ocean floor, worth billions in value and treasure.
22