What a lovely old photo of the Smithsonian Castle in 1856. Click on it for incredible details.

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.
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. Source: Smithsonian