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.
Casa Rosada in Buenos Aires; this is the official residence of the president of Argentina. If you've seen Evita, the balcony on the third floor is the location of the song "Don't Cry for Me, Argentina.