The United Kingdom, made up of England, Scotland, Wales and Northern Ireland, is an island nation in northwestern Europe. The fourth largest island state with a population of 67 million. The origins of the UK can be traced to the times of the Anglo-Saxon king Athelstan. 32 UNESCO world heritage sites, 15 National Parks and 7,723 miles of coastline are to be found in the UK. The highest mountain is Ben Nevis in Scotland - a height of 1,345 metres. Notable icons from the UK are: The Beatles, William Shakespeare, Banksy, Stonehenge and Churchill. Notable Opwall icons from the UK include: Alfred Russel Wallace, Charles Darwin, David Attenborough, Jane Goodall and Miriam Rothschild.