If Antarctica's ice sheets melted, the worlds oceans would rise by 60 to 65 metres (200 - 210ft) - everywhere
181
There was once an undersea post office in the Bahamas.
241
Two dogs were among the Titanic survivors.
262
The Caspian Sea is also classed as the world's largest lake.
52
Sea otters hold hands while sleeping so they don’t drift away from each other.
104
It's impossible to sink in the Dead Sea without equipment!
72
Jellyfish as a species are actually older than dinosaurs and sharks.
383
NYC's Metropolitan Transit Authority (MTA) dumps old subway cars into the ocean to serve as artificial reef.
8