Green paint is seen on the pedestal of the statue of Joseph Henry, outside the headquarters of the Smithsonian Institution on the National Mall in Washington, Monday, July 29, 2013. U.S. Park police say the marring of the Smithsonian's first secretary was discovered on July 26, the same day that the Lincoln Memorial was splattered with green paint. The Smithsonian's Museum of Natural History is seen in the distance.  (AP Photo/J. Scott Applewhite)