The Titanic is about as long as the Empire State building is tall.
174
The North Atlantic gets 2.5 centimetres (1in) wider every year.
119
It's impossible to sink in the Dead Sea without equipment!
72
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
There are approximately three million shipwrecks on the ocean floor, worth billions in value and treasure.
22
The Caspian Sea is also classed as the world's largest lake.
52
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