Op de tweede verdieping bevinden zich kleinere expositieruimten, met muurtekeningen door José Clemente Orozco, David Alfaro Siqueiros, Diego Rivera, Jorge González Camarena, Roberto Montenegro en Manuel Rodríguez Lozano. ###>The second floor has smaller exhibition halls as well as murals by José Clemente Orozco, David Alfaro Siqueiros, Diego Rivera, Jorge González Camarena, Roberto Montenegro and Manuel Rodríguez Lozano.