Given the question: Blandy Experimental Farm Historic District -  Blandy Experimental Farm Historic District is a national historic district located adjacent to The Tuleyries at Boyce Clarke County Virginia. It encompasses 15 contributing buildings 1 contributing site and 1 contributing structure. 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?
The answer is:
Building