THEASTER GATES: ASSEMBLY HALL The multimedia Chicago fixture and activist Theaster Gates will be moving 15,000 books, 60,000 slides and more to transform four of the Walker Art Center’s galleries into an immersive total environment. Sept. 7-Jan. 12; Walker Art Center, Minneapolis, walkerart.org.

UNTO THIS LAST: TWO HUNDRED YEARS OF JOHN RUSKIN The bicentenary of the social reformer, ecologist, and art critic John Ruskin, in paintings, drawings, manuscripts, and memorabilia. Sept. 5-Dec. 8; Yale Center for British Art, New Haven, Conn., britishart.yale.edu.

IN A CLOUD, IN A WALL, IN A CHAIR: SIX MODERNISTS IN MEXICO AT MIDCENTURY Entrancing work by six vital female artists, from Anni Albers to Sheila Hicks, who were influenced by a Mexican sensibility. Sept. 6-Jan. 12; Art Institute of Chicago, artic.edu.

GOLDEN PROSPECTS: CALIFORNIA GOLD RUSH DAGUERREOTYPES A look back at the 1848 gold rush, the first mass phenomenon captured by photography. Sept. 6-Jan. 26; Nelson-Atkins Museum of Art, Kansas City, Mo., nelson-atkins.org.

MUST’VE BEEN A WAKE-DREAM: GUADALUPE ROSALES An expansive archive of photographic imagery documenting Latinx youth culture in Southern California. Sept. 6-Oct. 18; Gordon Parks Foundation, Pleasantville, N.Y., gordonparksfoundation.org.