This installation at the Tower of London will ultimately feature 888,246 ceramic poppies, honoring the soldiers from Britain and the British colonies who died in World War I. Rich Preston/NPR hide caption

itoggle caption Rich Preston/NPR

Deaccessioning — the permanent removal of an object from a museum's collection — has been a big issue in Detroit. When the city declared bankruptcy, it had to put all of its assets on the table. Turns out, the most valuable asset was the art collection at the Detroit Institute of Arts. Bill Pugliano/Getty Images hide caption

itoggle caption Bill Pugliano/Getty Images

Albert Paley's iron and steel gates, archways and free-standing sculptures are eye-catching landmarks. His 2010 steel work Evanesce stands in Monterrey, Mexico. "American Metal: The Art of Albert Paley" is on display at the Corcoran Gallery of Art until September. Agencia para la Planeacióndel Desarrollo Urbano de Nuevo León/Courtesy Paley Studios hide caption

itoggle caption Agencia para la Planeacióndel Desarrollo Urbano de Nuevo León/Courtesy Paley Studios

Apples and Cakes (Pommes et gateaux) by Paul Cezanne, 1873-1877. Christie's Images Limited/Courtesy of the Barnes Foundation hide caption

itoggle caption Christie's Images Limited/Courtesy of the Barnes Foundation

Gene Davis' Apricot Ripple; ArgosIsland's untitled photo submitted via Twitter. Gene Davis/Smithsonian American Art Museum; ArgosIsland/Twitter hide caption

itoggle caption Gene Davis/Smithsonian American Art Museum; ArgosIsland/Twitter

(Left) Mayan artisans from the Yucatan region hand-embroidered an armadillo onto this linen dress from Carla Fernández's Mayalands collection. (Right) This Fernandez dress is a traditional rebozo shape which honors the square root design of ancient patterns. Ramiro Chaves/Courtesy Isabella Stewart Gardner Museum hide caption

itoggle caption Ramiro Chaves/Courtesy Isabella Stewart Gardner Museum

Kandinsky's Painting No. 201, on the left, was the inspiration for the salad on the right, which was used to test diners' appreciation of the dish. Museum of Modern Art; Crossmodal Research Laboratory hide caption

itoggle caption Museum of Modern Art; Crossmodal Research Laboratory

"Redan" is one of the works of minimalist sculptor Carl Andre on display at his retrospective at the Dia Art Foundation in Beacon, N.Y. Karen Michel for NPR hide caption

itoggle caption Karen Michel for NPR

While cities are still competing for the not yet built Lucas Cultural Arts Museum, parts of the collection are already on display. The "Star Wars Identities" traveling exhibition, currently at the Cite du Cinema in Saint-Denis, France, features 200 objects from George Lucas' collection — including the costumes of Chewbacca, Han Solo and Princess Leia Organa. Patrick Kovarik/AFP/Getty Images hide caption

itoggle caption Patrick Kovarik/AFP/Getty Images