Fleeing the yellow fever which was devastating the city's southern barrios at the beginning of the 20th century, Buenos Aires' most wealthy families established fabulous residences around Retiro's Plaza San Martín. None were more extravagant than the Palacio Paz.
The three-hour tour is organized by Graffiti Mundo, and on a Saturday afternoon we joined a sizable group in Palermo.
The geographic center of Buenos Aires is Caballito, a charming neighborhood with large green spaces, and well served by the Subte.
The US might have the White House, but Argentina has the Pink House. The Casa Rosada at the eastern extreme of the Plaza de Mayo is the seat of the country's government, where the President and her staff work.
