Whether you're a football fan or not you can't escape the fact that Europe is packed with formidable, world-class football teams that are just a stone's throw away on a city break - and unlike a certain team we won't mention, they know how to get to a World Cup final and get important goals in the net when it counts. It's easy to incorporate a trip to Europe's most impressive stadiums on a city break, and you could be surprised at how they offer a change to the traditional, guide-book-in-hand, gawping-up-at-architecture sightseeing. After a little (ok, a lot of) research, I've rounded up some of the best stadiums to visit on a European city break, which even non-football fans should enjoy…