That entire complex. Plus the Air and Space Museums. The National Archives. The Library of Congress. The monuments.
Which is why the neutron bomb was developed. To exterminate the parasites infesting and degrading our legacy while preserving the important records, materials and resources accounting for our nation's achievements.
When the cops told me I should move out of an area of Nashville compromised by illegal aliens and stop fighting them before they killed me I listened...much that it hurt to give up the battlefield. Any patriotic people still residing in D.C. (or near Maryland) should know better by now that their neighbors are 95% rat bastards and do the same.