Photograph of Smithsonian Castle from the north was taken late 1850s. Smithsonian Institution Archives, negative number MAH-45934A.
Annual Report of the Smithsonian Institution for the year 1856, p. 23
Summary:
The U.S. Congress appropriates no funds specifically for the continued improvement of the grounds which Secretary Joseph Henry describes as being in a "neglected condition." Andrew Jackson Downing's landscape plan has not been continued since his death.