Where Did The Portico Go?

Historical marker location:

3001 Connecticut Ave NW, Smithsonian National Zoo, District of Columbia

( Marker is on Olmsted Walk, 0.3 miles west of North Road, on the right when traveling west.)

The District is home to many iconic landmarks and monuments: In addition to the Washington Monument, the District is home to many other famous landmarks and monuments, including the Lincoln Memorial, the Jefferson Memorial, the U.S. Capitol Building, and the White House. These structures are visited by millions of tourists each year and are symbols of the nation's history and democracy.