Be its historical sites, museums, picturesque landscapes or palaces; the United Kingdom tops the list. Being a European country, United Kingdom or the UK is the most visited tourist destination. This busy and eccentric destination is visited by people from all over. The United Kingdom, made up of England, Scotland, Wales and Northern Ireland, is an island nation in northwestern Europe. The country's appeal has much to do with its diverse scenery and rich cultural heritage, the latter encompassing everything from beautifully preserved country estates and castles to many world-class art galleries and museums.One of the greatest pleasures of a UK vacation, however, is the ease of exploring this fascinating country, You can base yourself in cities such as London or Liverpool and simply take a train or bus to explore other areas.