The U.S. Postal Service, in conjunction with the Ricco-Maresca Gallery in New York, unveiled five new stamps Thursday depicting the paintings of Mexican artist Martin Ramirez. Ricco-Maresca Gallery hide caption

itoggle caption Ricco-Maresca Gallery

Robert Duncan poses with his wife, Karen, for New York photographer Iké Udé. Iké Udé/Courtesy of Robert and Karen Duncan hide caption

itoggle caption Iké Udé/Courtesy of Robert and Karen Duncan

Soprano Catalina Cuervo, singing the role of Frida Kahlo, rehearses with bass baritone Ricardo Herrera, singing the role of Diego Rivera, on Feb. 21, 2015 at the Michigan Opera Theatre in Detroit. Veronica Zaragovia/KUT hide caption

itoggle caption Veronica Zaragovia/KUT

Models show designs by Oscar de la Renta at the 1973 Versailles show. De la Renta was one of the first American designers to sign on for the catwalk competition. Daniel Simon/Gamma-Rapho via Getty Images hide caption

itoggle caption Daniel Simon/Gamma-Rapho via Getty Images

The empty frame from which thieves cut Rembrandt's The Storm on the Sea of Galilee remains on display at the Isabella Stewart Gardner Museum in Boston. The painting was one of 13 works stolen from the museum in 1990. Josh Reynolds/AP hide caption

itoggle caption Josh Reynolds/AP

A detail from the north wall of Diego Rivera's Detroit Industry murals shows workers on the automobile assembly line. After Detroit declared bankruptcy, the murals were at risk of being sold. Click here for a larger view. Detroit Institute of Arts hide caption

itoggle caption Detroit Institute of Arts

After World War II, developer Joseph Eichler built well-designed and well-crafted tract homes that dotted California suburbs. Stephen Schafer hide caption

itoggle caption Stephen Schafer

Planet: bottom of a glass containing half and half, water, food coloring. Moons: bottom of a glass containing coconut milk, water, food coloring. Stars: salt, cinnamon, baking powder, Tums. Navid Baraty hide caption

itoggle caption Navid Baraty