El Ateneo Grand Splendid, Buenos Aires, Argentina: An old movie theater converted into an amazing bookstore. You guys, it's a BOOKSTORE in a THEATER. And apparently you can have coffee on the stage and read up in the balconies.
The Puente de la Mujer (Woman's Bridge), designed by Santiago Calatrava, in Puerto Madero, Buenos Aires. This is the neighborhood where all streets are named after women--would be a good one to study as one of the three neighborhoods I think.