Passports are required for travel, and are issued by your country of origin. Visa requirements are set by the country you plan to visit. It is your responsibility to check entry requirements with the consular officials of the countries to be visited well in advance of your trip.
Allow sufficient time for processing of both passports and visas.
The information listed here is for US citizens. Please consult the requirements for your country of origin.
1. Argentina
A valid passport is required for U.S. citizens to enter Argentina. U.S. citizens do not need a visa for visits of up to 90 days for tourism and business. U.S. citizens who arrive in Argentina with expired or damaged passports may be refused entry and returned to the United States at their own expense.Different rules apply to U.S. citizens who also have Argentine nationality, depending on their dates of U.S. naturalization. For more information, check the Argentine ministry of the interior website at www.mininterior.gov.ar/migraciones/.
2. Bolivia
A U.S. passport valid for at least six months from the date of proposed entry into Bolivia is required to enter and depart Bolivia. Visas are required for U.S. citizens beginning December 1, 2007.Please visit the Embassy of Bolivia web site at http://www.bolivia-usa.org for the most current visa information (please note that the web site is primarily in Spanish) or contact the nearest Bolivian Embassy or Consulate.
3. Brazil
A passport and visa are required for U.S. citizens traveling to Brazil for any purpose. Brazilian visas must be obtained in advance from the Brazilian Embassy or consulate nearest to the traveler's place of residence. There are no "airport visas" and immigration authorities will refuse entry to Brazil to anyone not possessing a valid visa. All Brazilian visas, regardless of the length of validity, must initially be used within 90 days of the issuance date or will no longer be valid. Immigration authorities will not allow entry into Brazil without a valid visa.4. Chile
U.S. citizens entering Chile for business or pleasure must have a valid passport and visa. Visas may be obtained at the port of entry upon payment of a fee. The visa is valid for multiple entries to Chile and remains valid until the expiration of the passport. U.S. citizens are admitted to Chile for up to 90 days. An extension of stay for an additional 90 days is possible, but requires payment of another fee.Visit the Embassy of Chile website at www.chile-usa.org for the most current visa information.
5. Colombia
All U.S. citizens who are not also Colombian citizens must present a valid U.S. passport to enter and depart Colombia, and to return to the United States. Dual U.S-Colombian citizens must present a Colombian passport to enter and exit Colombia, and must have a U.S. passport to return to the United States.For further information regarding entry and customs requirements, travelers should contact the Colombian Embassy http://www.colombiaemb.org.
6. Ecuador & Galapagos Islands
A valid U.S. passport is required to enter and depart Ecuador. Tourists must also provide evidence of return or onward travel. U.S. citizens traveling on regular passports do not need a visa for a stay of 90 days or less. Those planning a longer visit must obtain a visa in advance of arrival. Travelers who stay in Ecuador beyond the allowed entry time are charged a substantial fee and are barred from re-entering Ecuador for six months from the date of departure. An airport exit tax is required when departing Ecuador.For further information regarding entry, exit, and customs requirements, travelers should contact the Ecuadorian Embassy http://www.ecuador.org/
7. Falkland islands
Passport required. Visa not required for stay up to 6 months for the United Kingdom.8. French Guiana
Passports are required for U.S. citizens entering French Guiana. Visitors who arrive by land or on a commercial air carrier with a return ticket may enter for up to 90 days without a visa. Visit the Embassy of France web site at http://www.info-france-usa.org for the most current visa information,9. Guyana
A valid U.S. passport is required for U.S. citizens to enter and depart Guyana. On arrival, Guyana Immigration normally grants U.S. visitors a stay of up to 3 months. U.S.-Guyanese dual nationals may be granted an indefinite stay. Extensions of stay may be obtained from the Ministry of Home Affairs at 60 Brickdam Street, Georgetown.10. Paraguay
A passport and visa are required. U.S. citizens traveling to Paraguay must submit completed visa applications in person or by secure messenger to the Paraguayan Embassy or one of the consulates and pay a fee. Paraguay issues visas for one-entry or multiple entries up to the validity of the U.S. passport. Applicants under 18 years of age traveling alone must appear with both of their parents or a legal guardian.Visit the Embassy of Paraguay web site at http://www.embaparusa.gov.py for the most current visa information.

