W
已访问地点：56
联合国会员国：2 / 193 (1%)
联合国+（国家和地区）：2 / 256 (1%)
最北端：Anchorage (61° 12′ N, 149° 53′ W)
(61° 12′ N, 149° 53′ W)最西端：Anchorage (61° 12′ N, 149° 53′ W)
(61° 12′ N, 149° 53′ W)最东端：New York (40° 42′ N, 74° 0′ W)
(40° 42′ N, 74° 0′ W)最南端：Corpus Christi (27° 45′ N, 97° 24′ W)
(27° 45′ N, 97° 24′ W)加入时间：去年