Kameha Grand Bonn

On the banks of the River Rhine, this high-concept, glass-domed hotel is 4 km from the World Conference Center Bonn.
Monochromatic rooms feature colorful accents and eclectic furnishings, as well as minibars, free Wi-Fi and flat-screen TVs. Individually themed suites add features such as grand pianos, white-fur sofas or whirlpool tubs; most have floor-to-ceiling windows with river views. Room...