The National Arboretum is also home to a bald eagle nest high above the grounds in a tulip poplar tree. All cars are barred from a significant portion of the gardens, but visitors on foot are able to access the area close to the tree to view the nest through a telescope.

Two days after I took this picture, the first egg hatched (see below).

DC-6 hatches at National Arboretum, posted earlier: