| Accokeek Creek Site, Prince Georges County |
| B & O Transportation Museum & Mount Clare Station, Baltimore City |
| BALTIMORE (tug), Baltimore City |
| Bollman Suspension Truss Bridge, Howard County |
| Brice House, Anne Arundel County |
| CHESAPEAKE (lightship), Baltimore City |
| Carrollton Viaduct, Baltimore City |
| Casselman Bridge, National Road, Garrett County |
| Chase-Lloyd House, Anne Arundel County |
| Chestertown Historic District, Kent County |
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