Lowell_(lungsod_sa_Tinipong_Bansa,_Massachusetts)
Merrimack_River
Beaver_Brook_(suba_sa_Tinipong_Bansa,_Massachusetts,_Middlesex_County,_lat_42,66,_long_-71,32)
Middlesex_Canal
Washington_Square_Historic_District
Pawtucket_Canal
Merrimack_Canal
City_Hall_Historic_District
South_Common_Historic_District
Tyler_Park_Historic_District
Lowell_National_Historical_Park