A passport book (the traditional passport) is an internationally recognized travel document that verifies the identity and nationality of the bearer. A valid U.S. passport is required to enter and leave most foreign countries. Only the U.S. Department of State has the authority to grant, issue or verify United States passports.
NEW U.S. Passport Card NEW The new wallet-size passport card is convenient and less expensive than the passport book. It can be used in the place of your passport book to enter the United States from Canada, Mexico, the Caribbean, and Bermuda at land border crossings or sea ports-of-entry.The passport card cannot be used for international travel by air.