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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：Billings Logan International Airport (45° 48′ N, 108° 32′ W)
(45° 48′ N, 108° 32′ W)最西端：Harry Reid International Airport (36° 5′ N, 115° 9′ W)
(36° 5′ N, 115° 9′ W)最东端：Washington D.C. (38° 53′ N, 77° 2′ W)
(38° 53′ N, 77° 2′ W)最南端：Miami (25° 46′ N, 80° 13′ W)
(25° 46′ N, 80° 13′ W)加入时间：4个月前