http://www.dhs.gov/how-do-i/visit-united-states obtain a Visitor VISA U.S. Department of Homeland Security www.dhs.gov/how-do-i/visit-united-states Department of Homeland Security's website Visit the United States www.dhs.gov/how-do-i/visit-united-states U.S. Department of Homeland Security www.dhs.gov/how-do-i/visit-united-states US-VISIT Department of Homeland Security http://www.dhs.gov/how-do-i/visit-united-states Plus d'infos http://www.dhs.gov/how-do-i/visit-united-states http://www.dhs.gov/how-do-i/visit-united-states