In 2014, a whopping 74.8 million people visited the USA according to its Office of Travel and Tourism Industries. On top of that, tourists spent a total of $220.8 billion while visiting, giving America a dominant 14.2 per cent share of world traveller spending ahead of the likes of Spain and China. Therefore, the USA must be doing something right in terms of the attractions and activities it has to offer. But where exactly can these sights and sounds be found? Well, here are just 5 cities you must visit in America whether you’re coming from overseas or are an…