The Look: Something of a design gallery as well as a restaurant, this Palermo district hot spot is decorated with 100-plus pieces of midcentury and contemporary furniture from the collection of architect-owner Marcelo Joulia. Designs by Arne Jacobson, Eero Saarinen, Harry Bertoia, Ron Arad, and Frank Gehry, among others, are artfully arranged in the former industrial workshop located beneath Joulia’s studio. The Food: Conceived by Mauro Colagreco, Argentina’s only chef with two Michelin stars,…