San Telmo is old Buenos Aires, ideal for a steak dinner and a tango ... Opposite is the colonial-era Cabildo or town hall. The metropolitan cathedral is also on the plaza. A block to the south ...

Palermo Chico boasts extravagant mansions, grand trees and some of the city's most popular museums, like the Museum of Latin American Art of Buenos Aires. Palermo Soho houses a trove of high-end ...

The best time to visit Buenos Aires is from April to June (fall) or from September to November (spring). These sweet shoulder seasons usher in mild temperatures, thin crowds and colorful foliage.