Every foreign visitor who travels to the United States is required to bring a valid passport and will have to enter through Customs and Immigration. Most Canadian citizens and many citizens from Visa Waiver Program countries can come to the U.S. without a visa if they meet certain requirements. Travelers from ALL 27 Visa Waiver Program countries must present a machine-readable passport at the U.S. port of entry to enter the U.S. without a visa; otherwise a visa is required.

These are the countries that are part of the Visa Program:

Visa Waiver Program - Participating Countries
Andorra		Brunei		Germany		Japan		Netherlands		San Marino		Sweden
Australia		Denmark		Iceland		Liechtenstein		New Zealand		Singapore		Switzerland
Austria		Finland		Ireland		Luxembourg		Norway		Slovenia		United Kingdom
Belgium		France		Italy		Monaco		Portugal		Spain

Foreign nationals from all other countries must get a Tourist Visa before arriving in the United States. For more detailed information, visit to the U.S. State Department's Web site, or click on this link: http://www.travel.state.gov/visa/temp/types/types_1262.html