S
已访问地点：52
联合国会员国：3 / 193 (2%)
联合国+（国家和地区）：3 / 256 (1%)
最北端：Winnipeg 
(49° 53′ N, 97° 8′ W)
(49° 53′ N, 97° 8′ W)最西端：Brookings 
(42° 3′ N, 124° 17′ W)
(42° 3′ N, 124° 17′ W)最东端：Miami (25° 46′ N, 80° 13′ W)
(25° 46′ N, 80° 13′ W)最南端：Mexico City (19° 25′ N, 99° 7′ W)
(19° 25′ N, 99° 7′ W)加入时间：2年前