Citizen of a foreign country who wishes to enter the United States must first obtain a visa for a temporary stay.

 Visitor visas are nonimmigrant visas for persons who want to enter the United States temporarily for business (visa category B-1), for tourism (visa category B-2), or for a combination of both purposes (B-1/B-2).

For tourism Visa category B-2: Tourism/Vacation (holiday)/Visit with friends or relatives/Medical treatment/Participation in social events hosted by fraternal, social, or service organizations/Participation by amateurs in musical, sports, or similar events or contests, if not being paid for participating/Short recreational course of study, not for credit toward a degree.