China 300 California 262 Canada 169 Cuba 75 Chicago 69 Confederate States of America 66 Chicago (Ill.) 59 Central America 38 Caribbean Area 27 Colorado 24 Connecticut 23 Chine 18 Cambodia 17 Colombia 17 Czechoslovakia 14 Chile 13 Czech Republic 12 Canada, Eastern 11 Congo (Democratic Republic) 9 Cahokia Mounds State Historic Park (Ill.) 8 Californie 8 Cornwall (England : County) 8 Crete (Greece) 7 Columbia River 6 Commonwealth countries 6 California, Northern 5 California, Southern 5 Communist countries 5 Costa Rica 5 Cairo (Egypt) 4 Cambridge 4 China (República Popular, 1949 ****) 4 Côte d'Ivoire 4 Cahokia (Ill.) 3 California, EE.UU 3 Cameroon 3 Canada, Northern 3 Canada, Western 3 Chad 3 Charleston (S.C.) 3 Chechni︠a︡ (Russia) 3 Chesapeake Bay Region (Md. and Va.) 3 Cincinnati 3 Cleveland 3 Corée du Nord 3 Corée du Sud 3 Crete 3 Cahokia 2 Cahokia Mounds State Historic Park 2 Cambodge 2 Cambridge (Mass.) 2 Canada (Est) 2 Canton 2 Cape Cod 2 Cape Cod (Mass.) 2 Caraïbes (Région) 2 Caribbean Region 2 Caroline du Nord 2 Carthage (Extinct city) 2 Castile (Spain) 2 Changjin Reservoir 2 Changjin Reservoir (Korea) 2 Charleston 2 Chauvet Cave (France) 2 Chesapeake Bay (Md. and Va.) 2 Chiapas 2 Chiapas (Mexico) 2 Chicago Metropolitan Area 2 Chili 2 Cincinnati (Ohio) 2 Colombie 2 Colombie-Britannique 2 Colorado Plateau 2 Colorado River Valley (Colo.-Mexico) 2 Concord River (Mass.) 2 Congo (Brazzaville) 2 Corée 2 Cabanatuan 1 Cabanatuan (Philippines) 1 Cahokia Site (East Saint Louis, Ill.) 1 Caimanera 1 Caimanera (Cuba) 1 Cairo 1 Calhoun County 1 Calhoun County (Ala.) 1 Calhoun County (Ill.) 1 California City 1 California del Sur 1 California, Golfo de 1 California, Gulf of 1 California, Gulf of (Mexico) 1 Camboya 1 Camp David (Md.) 1 Campañas 1 Campbell Hollow Site (Ill.) 1 Canada (Nord) 1 Canada (Ouest) 1 Canterbury 1 Canterbury (England) 1 Cape Horn (Chile) 1