A panoramic photographs of Washington, D.C., from left to right taken from a tower in the Smithsonian Institution Building. Looking toward the Washington Monument, the street in the foreground running from left to right is 12th Street, N.W., which was later tunneled under the Mall. The old Department of Agriculture Building is visible on the left beside 14th Street, N.W. The large grassy area on the right is the Ellipse.