On view through 7 July at the Prado Museum is a rare exhibition on Alberto Giacometti. Rare because the Prado does not usually host modern art, and because the 20 pieces (18 sculptures and 2 oil paintings) are not set up in the rooms meant for temporary shows, but scattered within the building. The curator, Carmen Giménez, explains that the aim is to draw parallels between these works and canvases of the stature of Las Meninas, Charles v at the Battle of Mühlberg, or Christ Washing the Disciples’ Feet, ultimately making the exhibition a “posthumous visit”: the steps through the museum Giacometti would have made had he come to Madrid in pursuit of Dürer, Raphael, Tintoretto, Titian, El Greco, Goya, Velázquez, and other favorites of his.