Tucson: Center for Creative Photography, University of Arizona, 1030 N. Olive Rd. Human Interest: Photoessays from the Collection. Through May 27. www.creativephotography.org.
Tucson: Etherton Gallery, 135 S. 6th Ave. The Ephemeral Moment. Through June 2. www.ethertongallery.com.
Berkeley: Berkeley Art Museum & Pacific Film Archive, University of California, 2625 Durant Ave. #2250. Honoring a Tradition, Honoring a Teacher: A Tribute to James Cahill. Through May 27. Fer.ma.ta: Graduate Exhibition. Through June 10. Measure of Time. Selections from the Collection. Both through June 24. Andrea Zittel: A-Z Travel Trailer Unit. June 6-Oct. 14. Allison Smith: Notion Nanny. Through Aug. 12. David Goldblatt: Intersections. July 8-Aug. 26. Abbas Kiarostami: Image Maker. July 8-Sept. 23. Kunstkammer. Psyche: R&R. Tara Donovan: Colony. All through Oct. 14. One Way or Another: Asian American Art Now. Sept. 19-Dec. 23. Rip.Mix.Burn. Bam. PFA. Oct. 24-Dec. 23. Joan Jonas: The Shape, the Scent, the Feel of Things. Oct. 13-May 31, 2008. Gay Outlaw: Black Hose Mountain. Through May 31, 2008. www.bampfa.berkeley.edu.
Los Angeles: Armand Hammer Museum of Art and Cultural Center, UCLA, 10899 Wilshire Blvd. Ola Pehrson. Through May 27. www.hammer.ucla.edu.
Los Angeles: Bank, 125 W. 4th St. Veronica Bailey: Postscript. Through May 19. www.bank-art.com.
Los Angeles: J. Paul Getty Museum, 1200 Getty Center Dr. A Place in the Sun: Photographs of Los Angeles by John Humble. Through July 8. www.getty.edu.
Los Angeles: Los Angeles County Museum of Art (LACMA), 5905 Wilshire Blvd. The Modern West: American Landscapes, 1890-1950. Re-SITE-ing the West: Contemporary Photographs from the Permanent Collection. Both through June 3. Dan Flavin: A Retrospective. Through Aug. 12. Dali & Film. Oct. 14-Jan. 6, 2008. www.lacma.org.
Los Angeles: Paul Kopeikin Gallery, 6150 Wilshire Blvd. Jeffrey Milstien: Aircraft. Through May 19. www.paulkopeikingallery.com.
Rancho Mirage: Rancho Mirage Public Library, 71-100 Hwy. III. Art and Fame: Photography by Michael Childers. Through June 29. www.ranchomiragelibrary.org.
San Diego: Museum of Contemporary Art, 700 Prospect St. Eija-Liisa Ahtila: The Hour of Prayer. Through May 27. Brian Ulrich: Copia. Through June 23. Ernesto Neto. Through Sept. 23. www.mcasd.org.
San Diego: Museum of Photographic Arts, 1649 El Prado. Harry Callahan: The Photographer at Work. May 19-Sept. 9. www.mopa.org.
San Francisco: Fraenkel Gallery, 49 Geary St. Robert Adams: Trees 1965-2005. Nicholas Nixon: Patients. Both through May 26. www.fraenkelgallery.com.
San Francisco: Intersection for the Arts, 446 Valencia St. Most Wanted by Taraneh Hemami. Through June 30. www.theintersection.org.
San Francisco: Robert Koch Gallery, 49 Geary St. Michael Wolf: Copy Art. Through June 28. www.kochgallery.com.
Santa Monica: Rose Gallery, 2525 Michigan Ave. Gotz Diergarten. Through May 31. www.rosegallery.net.
Valencia: California Institute of the Arts, 24700 McBean Pkwy. Apichatpong Weerasethakul. Through June 17. www.redcat.org.
Walnut Creek: Bedford Gallery, 1601 Civic Dr. Space Is the Place. Through May 27. www.bedfordgallery.org.
Daytona Beach: Southeast Museum of Photography, 1200 W. International Speedway Blvd. Henry Diltz: Kiss the Sky: The Music and Culture of the 1960's. Through June 5. www.smponline.org.
Chicago: Catherine Edelman Gallery, 300 W. Superior St. Robert & Shana ParkeHarrison: Gray Down. Through June 2. www.edelmangallery.com.
Chicago: Columbia College Chicago Center for Book & Paper, 1104 S. Wabash. MFA in Interdisciplinary Book & Paper Show. Through May 19. Action/Interaction: Book/Art Exhibition. May 26-July 7. www.bookandpaper.org.
Chicago: Chicago History Museum, 1601 N. …