It's impossible to sink in the Dead Sea without equipment!
72
There was once an undersea post office in the Bahamas.
241
There are approximately three million shipwrecks on the ocean floor, worth billions in value and treasure.
22
If Antarctica's ice sheets melted, the worlds oceans would rise by 60 to 65 metres (200 - 210ft) - everywhere
181
Sharks, like other fish, have their reproductive organs in their chests.
248
Two dogs were among the Titanic survivors.
262
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
NYC's Metropolitan Transit Authority (MTA) dumps old subway cars into the ocean to serve as artificial reef.
8