For his shop Arte Etnico Argentino, Ricardo Paz collects pieces reflecting the country's roots, particularly from the Quichua-Santiagueña culture of the Santiago del Estero province. He looks for only indigenous materials—say, untanned leather and chanar wood used for dining-room chairs, an algaroba trunk for a 12-foot coffee table. He displays them alongside Andean-style textiles, as well as naïvely worked pieces of native furniture, once discarded by their creators but now regarded by Paz as works of art. $50–$5,000. At 4656 El Salvador; 54-11/4833-5111; ricardopaz.com.