Bismarck Cathedral Area Historic District
The Bismarck Cathedral Area Historic District, also known as The Hill, is a historic district that is listed on the National Register of Historic Places (NRHP). A first area was NRHP-listed in 1980. The original listing included 47 contributing buildings, including the Cathedral of the Holy Spirit. The district was increased by with 40 contributing buildings and one contributing site in 1997. The district was further changed in 2010 by subtraction of some buildings and properties, and by the addition of others.