If you only have time for one bar while you're in Cusco, this should be it. Not only do they serve up great pisco drinks, you can also get a pisco tasting on the fly. If learning about Peru's national liquor is on your must-do list, check their schedule, as they often host special pisco tastings with guest experts. There's great ambience as well as tapas if you want to nosh as you drink. They often have live music as well.