Look up: Tile artists' work hidden in plain view - Article Photos 1/9

FILE - In this Jan. 9, 2013 file photo, tiled and vaulted ceilings designed by the Gustavino company forms decor for the Oyster Bar restaurant in New York's Grand Central Terminal. Rafael Guastavino and his son Rafael Jr., who designed many of New York City’s most treasured buildings and public spaces using their patented system of structural tile vaults, are the subjects of the new exhibition "Palaces for the People: Guastavino and the Art of Structural Tile," a new exhibition opening March 26, 2014, at the City Museum. (AP Photo/Kathy Willens, File)