Adams Memorial (Saint-Gaudens) -  The Adams Memorial is a grave marker located in Section E of Rock Creek Cemetery Washington D.C. featuring a cast bronze allegorical sculpture by Augustus Saint-Gaudens. The shrouded figure is seated against a granite block which forms one side of a hexagonal plot designed by architect Stanford White. Given a choice of categories company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, the text refers to which one?
A:
Building