Regija
United States
7
Washington (D.C.)
4
Maryland
2
Missouri
2
Saint Louis
2
Alaska
1
Boston
1
Canada
1
Chichén Itzá Site (Mexico)
1
Colotenango (Guatemala : Municipio)
1
England
1
Great Britain
1
Greece
1
Illinois
1
Jacal (Mexico)
1
Jamaica
1
Kaminaljuyu Site (Guatemala)
1
Lisle
1
Massachusetts
1
New York
1
New York (State)
1
Prince George's County
1
Saint Inigoes Manor (Md.)
1
Saint Mary's County
1
Saint Mary's County (Md.)
1
Switzerland
1
Teotihuacán Site (San Juan Teotihuacán, Mexico)
1
Tikal Site (Guatemala)
1