Here's an interesting fact for you - we know more about the surface of the moon than we know about the bottom of the deepest ocean. Another fact is that if you put Mount Everest into the Marina Trench, the tip would still be covered by 1.5km water.

Why not learn a little more about the world we live in and the seas that surround us? England has some of the best aquariums in the world which allow you to come face-to-face with all manner of sea life. From sharks to shellfish and crabs to clownfish - you can find them all with a day trip to an aquarium.