Answer the following question: Pick one category for the following text. The options are - company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work. Whelan Camp -  Whelan Camp is a historic late period Adirondack Great Camp and national historic district located on Raquette Lake at Long Lake in Hamilton County New York. The district includes four contributing buildings and one contributing structure. It is composed of a large sprawling Shingle Style main camp and five supporting buildings constructed between 1915 and 1918.
Answer:
Building