Photo: Wikimedia CommonsNaiv is a relaxed craft-beer bar in the heart of the old town, pouring a rotating line-up of German and international brews alongside its own house beers and well-loved burgers. The mood is easy and unpretentious, with long tables that encourage chatter. It is a great first stop for a night out. Ask the staff for a recommendation from the taps, and pair a hoppy pale ale with a burger if you are hungry.