Citizens of the United States need only a valid passport to enter the Czech Republic, and can stay for as long as 90 days without a visa. It's a good idea to make sure your passport is valid for at least six months on entry. If you plan on living or working in the Czech Republic, be advised that long-term and work visas must be obtained outside the country. Contact the Czech embassy or consulate in your home country well in advance of your trip. The Czech Republic is now part of the Schengen area, meaning that once a visitor enters one of the countries in the zone, which covers most of Europe, he or she will not have to show a passport at each border; a visitor’s three-month stay begins upon the first point of entry into the Schengen area. Travelers are still required to have a valid passport, and spot checks still occur.