The Marquette Branch Prison (MBP) is located in Marquette, Michigan on the south shore of Lake Superior. The prison, which opened in 1889, is a state facility that holds about 1,100 inmates in maximum and minimum-security housing. The inmate population consists of adult males, aged twenty-one and older. The prison was listed on the National Register of Historic Places as State House of Correction and Branch Prison on November 23, 1977. MBP was listed on the National Register of Historic Places in order to maintain its original buildings. MBP has become one of the state's most outstanding tourist attractions because of the beautiful flower gardens and other landscaping around the prison grounds. MBP was a prison full of attempted escapes, bloodshed, and reconstruction during the 19th centur