You always know if 21 is still open from the beckoning lights atop the Rathaus. The terrace, cocktails (€5-9), lounge and bar entice an eclectic crowd and host occasional parties that run well into the night. Stave off the hangover by filling up on the Mediterranean menu, daily seasonal card and finger food (€3-18). Lunchtimes are politico-time, although their specials are good, especially with the amazing view.