Avenida Sarmiento

When Governor Juan Manuel de Rosas installed its fifth resting on the grounds of the present Parque Tres de Febrero built the main house (Big House of Roses) in what today would be the intersection of Sarmiento Avenue and Libertador, and a building named "La Maestranza" in the west corner.

After the defeat of Rosas in Caseros the Big House was used for several years as a military college and then as Naval School, and finally demolished on February 3, 1899.

Moreover, La Maestranza building was demolished in 1924 and the site was a monument to Rosas, work of Ricardo Dalla Lasta opened in 1999.

Between 1877 and 1912, compared to the solar where now stands the Galileo Galilei planetarium, Café Hansen worked with entrance by the avenue, which many consider one of the cradles of tango.

It continues along the zoo and Francisco Seeber square, until the intersection with the Libertador Avenue, is at this junction the Monument to the Carta Magna and Four Regions of Argentina.