Photo: Wikimedia CommonsThe playful 25hours The Trip sits in the Bahnhofsviertel with a globetrotting theme running through its colourful, individually styled rooms. There is a lively ground-floor bar and a rooftop with skyline views, and the vibe is young and creative rather than corporate. It is handy for the main station and the museum riverbank. Head up to the rooftop for a sundowner, and borrow a house bike to explore the river.