US State Department, Bureau of Consular Affairs - Consular services for United States citizens abroad. Visa services for foreigners, links to foreign consulates, visa fee tables and downloadable passport forms.
American Citizen Services - Provides U.S. visa information for applicants in Canada; as well as consular services and tips for American travelers..
How Stuff Works: Passport - Explains when and why you need a passport, and offers tips on how to apply for one..
National Center for Health Statistics (NCHS) - Offers information for obtaining birth, death, marriage and divorce certificates required to obtain or update a United States passport. Includes links to publications and resources..
PassportInfo.Com - Provides a broad range of general information for Americans planning travel abroad, including passport information..
So You Wanna Get a Visa? - This article explains how to decide which United States visa you need, get the application, and prepare the evidentiary support you need for a successful application..
Visa Appointment Reservation System - United States visa applicants may use this site to schedule an appointment at a United States consulate in Canada or Northern Mexico..