Let me take you on a journey around the Northern countries in Europe. Traveling by bus is much more sustainable than by plane and you will be able to explore much more cities in one trip and if you book in advanced it is really cheap too. I traveled by bus from Amsterdam to Bremen and Hamburg in Germany and continued my road trip by bus to Copenhagen in Denmark and ended up taking a train to Malmö, Sweden. Keep reading how I did it, how much it costs and find all my travel tips for these cities.