don’t miss buenos aires, but if you can make it to cataratas del iguazu, it would be great! they are impressive.
in buenos aires, be safe, but do go to different neighborhoods like “la boca”, “palermo”, “san telmo” (my favorite, very bohemian/artistic).
here you have a local site that can help you (for buenos aires)
wherever you go, see the artesenias, or places where artists are selling their goods, this is a great way to meet locals who know great stuff to see and do, and maybe they’ll want to hang with ya. Mendoza was a great town and i ended up meeting people there i will know for the rest of my life thanks to buying a necklace laying out on a blanket. try to get to know people personally! and whatever you do, have lots of red wine and beef! have fun!
Answer this question