Preserving the Legacy of the late Louis S. Diggs, a local historian and author of 13 books on the 40 African American communities in Baltimore County. The founder of the Diggs-Johnson Museum. This Bus tour starts at Benjamin Banneker Museum, 300 Oella Avenue, Catonsville, MD 21228, and ends at the Diggs-Johnson Museum. Cost $25.00. Lunch … Continue reading Baltimore County Bus Tour of African American Communities and Historic Sites