Castle reborn: Here's the preferred plan for the Smithsonian's $2B South Mall Campus overhaul
December 21, 2017 at 10:59 AM EST
Work isn't expected to get underway for at least five years, but the Smithsonian is still advancing its ambitious plan for the 17-acre South Mall Campus, which includes the circa-1855 Castle, the Hirshhorn and the Freer.