"One of Heidelberg’s trendiest hotels, this boutique property borders the Alten Hallenbad, a former public pool that now serves as a gourmet food court. Its rooms are smart and minimal, done up in neutral but welcoming tones with splashes of purple throughout. All feature high-quality linens, floor-to-ceiling windows, and spacious bathrooms, while top-floor rooms include small terraces; one suite even has a built-in sauna. Public areas range from a rooftop garden with views of the castle, to a café that serves a buffet breakfast each morning."