Underground Railroad Exhibit Volunteer In 2021, the B&O Railroad Museum became an officially designated Underground Railroad site. 27 freedom seekers are known to have used the B&O Railroad system to flee slavery, 8 of whom passed directly through the Mount Clare Station, where the Museum is located. In September, the museum will be unveiling a new exhibit on the Underground Railroad, complete with immersive videos that share the stories of William & Ellen Craft, and Henry "Boxcar" Brown - all…