The biggest park in San Telmo is Lezama, a giant green hill which fills up on weekends with sun-bathers, mate drinkers and chess players, along with some market stands. The park also is home to the Museo Histórico Nacional.
Are 24 hours enough to become enamored of a new city? Well, Buenos Aires worked its magic quickly on us. After a long flight and a stressful process to get our dog through customs, we didn't get into our place until very late, with just enough energy to fall into bed. But the next day, we awoke to sunny weather and the stress melted away.