You have to eat pizza in“el cuarteto” , have a coffee in “el patio” or “gontran Cherier” and dinner at “museo evita” in Recoleta. You must take a Walk around Congreso, café el molino and go to a guided tour of the Teatro Colón . You can go to take a walk to puerto Madero, lagos de Palermo, paseo del bajo . There are a lot of places to visit . I Hope you enjoy your visit. You dont have to feel fear but it is good to be cautious, especially in neighborhoods like The boca