OaklandsBelvidereWashington Square Historic DistrictSouth LowellSouth Common ParkBleacheryWamesitSouth Common Historic DistrictEastern Canal ParkKerouac CommemorativeBoarding House ParkMerrimack-Middle Street Historic DistrictLowellBoston and Lowell Railroad MemorialCity Hall Historic DistrictLucy Larcom ParkCentralvilleWash ParkMcPherson PlaygroundNorth TewksburyMelvin Rogers ParkAvco - Lowell HeliportKenwoodLoon HillWang HeliportLowell National Historical ParkHovey SquareDracutPawtucketvilleTyler Park Historic DistrictBillerica Mills Historic DistrictTewksburyWestlandsNorth BillericaPrinceton VillageTewksbury JunctionHaggettsChelmsford CenterEast BillericaChelmsford