Outsiders might be unfamiliar with the U.K.'s National Health Service, but Brits love it so much that they devoted part of opening ceremonies at the 2012 London Olympics to the NHS. Courtesy of BBC One hide caption

itoggle caption Courtesy of BBC One

Quick — is Big Ben located in England, Ireland, or the United Kingdom — or all three places? apdk/flickr hide caption

itoggle caption apdk/flickr