Det finns en plats som heter Portland Observatory i Amerika.
Alla platser i världen som heter "Portland Observatory".
Riverside (46)
Centerville (43)
Fairview (40)
Franklin (39)
Midway (39)
Greenwood (37)
Union (37)
Marion (36)
Salem (36)
Glendale (36)
Georgetown (35)
Liberty (35)
Lincoln (35)
Pleasant Valley (35)
Fairfield (35)
Oakland (35)
Clinton (34)
Florence (34)
Arlington (34)
Springfield (34)
Greenville (34)
Bethel (34)
Kingston (33)
Clifton (33)
Newport (33)
Milton (33)
Hamilton (33)
Farmington (33)
Chester (33)
Mount Pleasant (32)