Discount Parking is available near the Marathon Grill at Rittenhouse Square. Web coupons offering special discounted parking rates are available for each of the parking locations listed above. Select the location of your choice to view parking information and print the web coupon. You must present the coupon to receive the special discounted rates, so be sure to bring one with you. The Marathon Grill at Rittenhouse Square is located near Rosenback Museum & Library, the Civil War and Underground Railroad Musesum, the Art Institute of Philadelphia and all the entertainment of Rittenhouse Sqauare.