Any shopper will enjoy a stroll down this street, which features eight blocks of upscale boutiques, shops, restaurants, cafes and bars. On warm weekends, the sidewalks are teeming with window shoppers, street performers and overflowing outdoor cafes. Located in the historic Back Bay , much of the brownstone architecture is influenced by the Art Nouveau style of the 1920s. There are upscale clothiers like Max Mara . In addition, chic galleries and restaurants, such as Stephanie''s of Newbury and Sonsie , attract a well-dressed, monied crowd.