It's always interesting exploring houses from another era. Wander around La Casa del Agua and imagine how this historic residence once was.
You're spoiled for sightseeing choice when visiting Rosario. La Casa del Agua is a good place to kick off here, but there are plenty of other worthy places to experience. National Flag Memorial, Gigante de Arroyito Stadium, and Plaza 25 de Mayo are not far from the historically significant residence and will top off your day nicely.