McCarran International Airport and Niagara Falls International Airport, are located in which country?
McCarran International Airport: McCarran International Airport (IATA: LAS, ICAO: KLAS, FAA LID: LAS) is the primary commercial airport serving the Las Vegas Valley, a major metropolitan area in the U.S. state of Nevada. Niagara Falls International Airport: Niagara Falls International Airport (IATA: IAG, ICAO: KIAG, FAA LID: IAG) is 4 mi east of downtown Niagara Falls, in Niagara County, New York.
U.S.