Heading west from the park, pick up afternoon treats at New York iconic Zabar's food market (2245 Broadway), and later, as dusk unfolds, meander the serene firefly-flecked Riverside Park amid the Upper West Side's manifold joggers, strollers and dog owners, to the stunning outdoor 79th Street Boat Basin Cafe (W 79th St at the Hudson River) for a huckleberry vodka nightcap.