Brenner’s in Baden Baden, Germany, is a city-centre hotel and spa set in the foothills of the Black Forest. It is owned by the Oetker family and recently re-launched as part of the Oetker Hotel Collection, which also includes such gems as the Hotel Du Cap. Culture lovers can enjoy theatre and an art gallery, while for those seeking relaxation, the spa is ranked among the best in the world and the restaurant has a Michelin star.