Region
- Adams County 2 results
- Adams County (Miss.) 2 results
- Alabama 8 results
- Alaska 10 results
- Albany (N.Y.) 2 results
- Albemarle County 2 results
- Albemarle County (Va.) 2 results
- Andes Region 4 results
- Annapolis 2 results
- Annapolis (Md.) 2 results
- Arctic Coast (Canada) 2 results
- Argentina 4 results
- Arizona 16 results
- Arkansas 2 results
- Athens 2 results
- Athens (Ga.) 2 results
- Atlantic Coast 2 results
- Atlantic Coast (N.C.) 2 results
- Atlantic Coast Region 2 results
- Atlantic Ocean Region 4 results
- Barbados 2 results
- Baton Rouge (La.) 2 results
- Beale Road 4 results
- Beaufort Region (N.C.) 2 results
- Belize 2 results
- Bering Strait Region 2 results
- Berrien Springs 2 results
- Berrien Springs (Mich.) 2 results
- Big Sioux River Valley (S.D. and Iowa) 2 results
- Boston 2 results
- Boston (Mass.) 4 results
- Brazil 6 results
- Brazil, Northeast 2 results
- Brazos County 2 results
- Brazos County (Tex.) 2 results
- Brazos River Valley 2 results
- Brazos River Valley (Tex.) 2 results
- British Columbia 4 results
- Brown County 2 results
- Brown County (Ohio) 2 results
- Brownsville (Tex.) 2 results
- Burnet County (Tex.) 2 results
- Cairo 2 results
- Cairo (Ill.) 2 results
- California 22 results
- California National Historic Trail 2 results
- California, Northern 2 results
- Canada 12 results
- Canada, Northern 2 results
- Caribbean Area 4 results more…