已访问地点：43
联合国会员国：3 / 193 (2%)
联合国+（国家和地区）：5 / 256 (2%)
最北端：Washington Dulles International Airport 
(38° 57′ N, 77° 27′ W)
(38° 57′ N, 77° 27′ W)最西端：Hawaii (19° 35′ N, 155° 26′ W)
(19° 35′ N, 155° 26′ W)最东端：Guam 
(13° 27′ N, 144° 45′ E)
(13° 27′ N, 144° 45′ E)最南端：Guam (13° 27′ N, 144° 45′ E)
(13° 27′ N, 144° 45′ E)加入时间：10个月前