Some of this information may no longer be valid. Before making any trip decisions, refer to the latest U.S. State Department information for the country of interest. Introduction Travelers to Central and South America are usually welcomed with courtesy and warmth. There is great diversity in the region - you can visit some of the largest cities in the world as well as some of the most unspoiled primitive environments. The Department of State issues travel advisories concerning serious health or security conditions that may affect U.S. citizens.
Advisories are also available at U.S. embassies and consulates abroad.
Some of the dangers covered in these advisories are guerrilla or terrorist activity, banditry, and areas under control of narcotics producers. As you travel, keep abreast of local news coverage. If you plan more than a short stay in one place, expect to travel to an area where communications are poor, or if you are in an area experiencing civil unrest or natural disaster, you are encouraged to register with the nearest U.S. embassy or consulate. Registration takes only a few moments, and it may be invaluable in case of an emergency. Getting In and Out U.S. citizens must have a valid U.S. passport to travel to all countries in Central or South America, except for Costa Rica.