Milwaukee, Wisconsin, not only has a polka escalator, it has the world’s only polka escalator, in the Wisconsin Center convention complex. This charming, one-of-a-kind attraction is part of a permanent installation called Polka Time! conceived by and featuring the polka photography of Dick Blau. “Push to Play Polka” buttons at the top and bottom of the escalator are a critical piece of this installment. Press the button and listen to polka music as you ride up or down.