訪問した場所: 65
国連加盟国: 5 / 193 (3%)
国連+(国と地域): 5 / 256 (2%)
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)最東端: Rome 
(41° 53′ N, 12° 28′ E)
(41° 53′ N, 12° 28′ E)最南端: Miami (25° 46′ N, 80° 13′ W)
(25° 46′ N, 80° 13′ W)登録日: 昨年