Starship UK
From Tardis Wiki, the free Doctor Who reference
Starship UK was a huge ship built to house the population of the United Kingdom (excluding Scotland, who used their own ship) during their journey to find another planet to live on, after the Earth (and all life on it) was threatened by Solar Flares. It contained numerous skyscrapers, each of which had the name of a county or major city in the United Kingdom written on one of it's outer walls, e.g: London