9th Street Exhibition, 1951 by Robert Motherwell. Part of the exhibit Robert Motherwell: Early Collages, at the Guggenheim Museum. Opens today. (Mildred Lane Kemper Art Museum. Courtesy of the Dedalus Foundation.)

• NYC: Magritte: Mysteries of the Ordinary, at the Museum of Modern Art. Opens Saturday.
• NYC: See It Loud: Seven Post-War American Painters, at the National Academy Museum. Through January 26, on the Upper East Side.
• NYC: EKG, with performances by Fake Hooker and the Unstoppable Death Machines, for the re-opening of Pandemic 22. Saturday at 8pm, near the Navy Yard in Brooklyn.
• NYC: Wynne Greenwood, More Heads, at Soloway. Through October 27, in Williamsburg.
• NYC: Jonathan Schipper, Detritus, at the Boiler. Opens today at 7pm, in Greenpoint.
• NYC: No More Road Trips?, a film by Rick Prelinger, screening at the New York Film Festival. This Saturday at 9:30pm, at the Walter Reade Theatre at Lincoln Center.
• L.A. : Robert Heinecken, Sensing the Technologic Banzai, at Cherry & Martin. Opens Saturday at 4pm in Culver City.
• L.A.: Kristian Burford, Audition, at Nye + Brown. Opens Saturday at 6pm, in Culver City.
• Orange County:Within, at the Cypress College Art Gallery. Through November 5, in Cypress.
• PLUS: 323 Projects has an open call for very funny audio. You have until this Sunday to submit.