Please 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. Blackstone Hotel (Omaha Nebraska) -  The Blackstone Hotel currently known as the Blackstone Center is located at 302 South 36th Street in the Blackstone neighborhood of the Midtown area in Omaha Nebraska. Built in 1915 it was declared an Omaha Landmark in 1983 and listed on the National Register of Historic Places in 1985.
Answer:
Building