S
訪問した場所: 144
国連加盟国: 3 / 193 (2%)
国連+(国と地域): 3 / 256 (1%)
最北端: Melville 
(50° 55′ N, 102° 48′ W)
(50° 55′ N, 102° 48′ W)最西端: Cannon Beach (45° 53′ N, 123° 57′ W)
(45° 53′ N, 123° 57′ W)最東端: Miami International Airport (25° 47′ N, 80° 17′ W)
(25° 47′ N, 80° 17′ W)最南端: San Miguel de Cozumel 
(20° 30′ N, 86° 56′ W)
(20° 30′ N, 86° 56′ W)登録日: 昨年