Andy Warhol's Triple Elvis [Ferus Type] is set to be auctioned at Christie's, and expectations are high — but Warhol's estate won't see any of the money. Christie's Images LTD. 2014 hide caption

itoggle caption Christie's Images LTD. 2014

Edgar Degas' Little Dancer Aged Fourteen is on display at the National Gallery of Art until Jan. 11. Collection of Mr. and Mrs. Paul Mellon/ Courtesy of the National Gallery hide caption

itoggle caption Collection of Mr. and Mrs. Paul Mellon/ Courtesy of the National Gallery

The face in Jorge Rodríguez-Gerada's larger-than-life portrait is a composite of photos the artist took of young men from many racial backgrounds. Tami Heilemann/Department of the Interior hide caption

itoggle caption Tami Heilemann/Department of the Interior

Plaster casts taken from soldiers' mutilated faces (top row), new sculpted faces (bottom row), and final masks (on the table) sit in the studio of Anna Coleman Ladd in 1918. American Red Cross/Anna Coleman Ladd papers/Archives of American Art/Smithsonian Institution hide caption

itoggle caption American Red Cross/Anna Coleman Ladd papers/Archives of American Art/Smithsonian Institution

These pastel boxes originally owned by Mary Cassatt were acquired recently by the National Gallery of Art. Click here for a closer look. National Gallery of Art hide caption

itoggle caption National Gallery of Art

Zhang Kechun. Under the Abandoned Pier, 2013-2014. Zhang, 34, spent years shooting photos along the Yellow River. Zhang Kechun/Courtesy of Three Shadows +3 Gallery hide caption

itoggle caption Zhang Kechun/Courtesy of Three Shadows +3 Gallery