Region
Arizona
Grand Canyon
29
Grand Canyon (Ariz.)
28
United States
10
Mississippi River
5
Mississippi River Valley
5
Grand Canyon National Park
3
Grand Canyon National Park (Ariz.)
3
Niagara Falls
3
Niagara Falls (N.Y. and Ont.)
3
North America
3
Death Valley
2
Death Valley (Calif. and Nev.)
2
Mississippi River Region
2
Mississippi, Vallée du
2
Southwest, New
2
Arcosanti
1
Arcosanti (Ariz.)
1
Manhattan
1
Manhattan (New York, N.Y.)
1
Mississippi (Fleuve)
1
Mort, Vallée de la (Calif. et Nev.)
1
New Southwest
1
New York
1
New York (State)
1
Niagara, Chutes du (N.Y. et Ont.)
1
San Carlos Indian Reservation
1
San Carlos Indian Reservation (Ariz.)
1
Tempe
1
Yavapai Hills
1
Yavapai Hills (Ariz.)
1