YarrowsburgAugustaBrownsvilleGarretts MillSamples ManorSouth County ParkPotomac VistasHawks HillGaplandRoelkeys KnollAntietam Dargan Community ParkDarganWevertonMaryland HeightsGathland State ParkBurkittsvilleTownsend MonumentWater AcresKnoxvilleSandy HookTrego-Rohrersville StationRohrersville StationRicePotomac WaysideTregoMaryland HeightsRohrersvilleAntietamJohn Brown's FortWhite Hall TavernFrederick A. Roeder StoreGerard Bond Wager BuildingJohn Brown MonumentJohn C. Unsel BuildingSusan Downey HouseWilliam Anderson BuildingFrederick A. Roeder HouseAlfred Burton Jewelry ShopAnn C. Stephenson OutbuildingAnn C. Stephenson Building