已访问地点：10
联合国会员国：1 / 193 (1%)
联合国+（国家和地区）：1 / 256 (0%)
最北端：Chicago (41° 52′ N, 87° 37′ W)
(41° 52′ N, 87° 37′ W)最西端：Chicago (41° 52′ N, 87° 37′ W)
(41° 52′ N, 87° 37′ W)最东端：Pittsburgh (40° 26′ N, 79° 59′ W)
(40° 26′ N, 79° 59′ W)最南端：Daytona Beach (29° 12′ N, 81° 1′ W)
(29° 12′ N, 81° 1′ W)加入时间：9个月前