Question: The Observatory Building also known as the Van Ginkel Building was a skyscraper located in downtown Des Moines Iowa. Standing at 197 ft tall (60 m) and heralded as the tallest office building between Chicago and San Francisco when opened on April 1 1896 it was also the first skyscraper in Iowa. Given a list of categories: company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, what category does the paragraph belong to?
Answer:
Building