I cannot recall any other country offering such shifts in moods. My journey took me from glaciers to cemeteries.
There were also tango performances and other sightseeing excursions—notably a visit to a small tourist district called La Boca.
La Boca, "The Mouth" (of the River Riachuelo)—which was developed out of a former working-class neighborhood. This place offers every color one could dream of for a photograph.