The smallest country in the world is not Vatican City, but this small offshore platform located in the North Sea, known as Sealand. As the name suggests it is a land surrounded by sea on all sides.

Now, is Sealand a real country? In international waters about 12 kilometres off of the eastern coast of England, there is an offshore platform called Roughs Tower, which is the entire territory ...

At the time of the One Show's report on Sealand, the fort even had a resident cat. Given the fort can sometimes be cut off by the choppy North Sea weather, there's quite a serious stock of tinned ...