Region
- - Baltimore Region 1 results
- - Maryland 1 results
- Abū Ẓaby (Emirate) 1 results
- Afghanistan 15 results
- Africa 1 results
- Alabama 3 results
- Alaska 28 results
- Albany 2 results
- Albany (N.Y.) 2 results
- Alexandria Bay 2 results
- Amarillo 2 results
- American Discovery Trail 2 results
- Arctic regions 1 results
- Arkansas 1 results
- Arlington 1 results
- Asia 1 results
- Australia 1 results
- Baltimore 2 results
- Baltimore (Md.) 4 results
- Bhutan 1 results
- Boston 1 results
- Brazil 4 results
- Cache La Poudre River National Water Heritage Area (Colo.) 2 results
- California 12 results
- Canada 2 results
- Canal Zone 32 results
- Central America 2 results
- Chambersburg 1 results
- Chicago Region 1 results
- China 4 results
- Cincinnati (Ohio) 1 results
- Colorado 10 results
- Congo (Democratic Republic) 1 results
- Connecticut 1 results
- Copenhagen (Denmark) 1 results
- Cuba 1 results
- Davenport 1 results
- Delaware 2 results
- Delhi 1 results
- Denver 1 results
- Dhahran 1 results
- Dothan 1 results
- Dover 1 results
- Dover (Del.) 1 results
- Emmitsburg 2 results
- Europe 1 results
- États-Unis 14 results
- Fiji 1 results
- Finland 1 results
- Florida 3 results more…