Two dogs were among the Titanic survivors.
262
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
If Antarctica's ice sheets melted, the worlds oceans would rise by 60 to 65 metres (200 - 210ft) - everywhere
181
The North Atlantic gets 2.5 centimetres (1in) wider every year.
119
The Titanic is about as long as the Empire State building is tall.
174
NYC's Metropolitan Transit Authority (MTA) dumps old subway cars into the ocean to serve as artificial reef.
8
More than a dozen men have stood on the surface of the moon, but only three have been to Challenger Deep in the Marianas Trench, the deepest known spot in the ocean.
17