If you run on caffeine, you will want to get your daily fix while traveling as well. Which cities have the best coffee? Which cafes should you be sure to visit? We have all of the answers in this post on the most expensive coffee and where to buy it. From New York City to Italy and more, we have the coffee cafes that everyone is talking about. While traveling, be sure to visit one of the locales on our list for the ultimate cup of joe.