Fería de San Telmo

Take a taxi to Defensa Street at Plaza Dorrego for the weekly street fair, dense with merchants selling tango memorabilia and collectibles. Browse the area’s antiques shops (for a less chaotic scene conducive to more serious shopping, return to these shops during the week, when it’s less crowded) and wander between street performers—from clowns to tango dancers—and artisans displaying their inexpensive jewelry and crafts on blankets set up on the cobblestoned streets and sidewalks. Open Sundays.