The Negro Southern League Museum (NSLM) tells the story of African-American baseball through the eyes of Birmingham, Alabama. The museum features the largest collection of original Negro League baseball artifacts in the country. NSLM also features an on-site research center that is supported by a research team made up of the top researchers in Negro League and Southern League baseball history. if you are looking for a one-of-a-kind experience, please make plans to visit the Negro Southern League Museum, Whether you are a baseball enthusiast or a novice, the Negro Southern League Museum has something for you.