The elaborately tiled City Hall subway station in New York City — still extant but now closed to the public, alas — used the Guastavino touch to convince wary city dwellers to head underground for a train trip. Michael Freeman/National Buildling Museum hide caption

itoggle caption Michael Freeman/National Buildling Museum

A portrait is projected on the walls of a building as part of a project promoting art through re-evaluating urban spaces and buildings in Sao Paulo, Brazil, on Nov. 22. Yasuyoshi Chiba/AFP/Getty Images hide caption

itoggle caption Yasuyoshi Chiba/AFP/Getty Images

Life Pieces to Masterpieces is an arts program that serves the neighborhood of Ward 7 in Washington, D.C. Boys work with mentors to create works of art. Lizzie Chen /NPR hide caption

itoggle caption Lizzie Chen /NPR

Left: One of Piet Mondrian's grid-like color block compositions. Right: Caitlin Freeman's cake homage. Art 2013 Mondrian/Holtzman Trust c/o HCR International USA/Reprinted by permission from 'Modern Art Desserts' hide caption

itoggle caption Art 2013 Mondrian/Holtzman Trust c/o HCR International USA/Reprinted by permission from 'Modern Art Desserts'

In director Gilles Bourdos' biopic Renoir, Christa Theret plays Andree Heuschling, who served as a muse for both the aging Impressionist master and his young filmmaker son. Samuel Goldwyn Films hide caption

itoggle caption Samuel Goldwyn Films