Region
Atlanta
Georgia
86
Martin Luther King, Jr., National Historic Site (Atlanta, Ga.)
14
United States
14
Atlanta (Ga.)
5
Atlanta Region
2
Boston
2
Martin Luther King, Jr., National Historical Park (Atlanta, Ga.)
2
Massachusetts
2
Apalachicola Bay
1
Apalachicola River Watershed
1
Boston (Mass.)
1
Casper
1
Charlotte
1
Chattahoochee River
1
Chattahoochee River Watershed
1
Connecticut
1
Florida
1
Lewis and Clark National and State Historical Parks (Or. and Wash.)
1
Minneapolis
1
Minnesota
1
Missouri
1
Nebraska
1
New Jersey
1
New York (State)
1
North Carolina
1
Omaha
1
Pennsylvania
1
Saint Louis
1
Sand Creek Massacre National Historic Site (Colo.)
1
Southern States
1
Timucuan Ecological and Historic Preserve (Jacksonville, Fla.)
1
Wyoming
1