A valid passport is all that an American, British, Canadian, Australian, or New Zealand citizen needs to enter Spain. It is important to note when your passport expires. If you're not traveling from within the European Union, Spain requires your passport to have at least 6 months left before its expiration date.
The websites listed provide downloadable passport applications and fees for processing applications.
For Residents of Australia -- Call the Australian Passport Information Service (APIS) at tel. 131-232, or download at www.passports.gov.au.
For Residents of Canada -- Call the Passport Office, Department of Foreign Affairs and International Trade, Ottawa, K1A 0G3 at tel. 800/567-6868, or download at www.ppt.gc.ca.
For Residents of Ireland -- Call the Passport Office, Setanta Centre, Molesworth Street, Dublin 2 on tel. 01/671-1633, or download from www.irlgov.ie/iveagh.
For Residents of New Zealand -- Call the Passports Office, Level 3, Boulcott House, Wellington 6011 at tel. 0800/225-050 or 04/474-8100, or download from www.passports.govt.nz.
For Residents of the United Kingdom -- Call the United Kingdom Passport Service (UKPS) at tel. 0870/521-0410 or search its website at www.ips.gov.uk., which gives 22 passport office addresses to contact throughout the USA.
No visas are required for American, British, Canadian, Australian, or New Zealand visitors to Spain, providing your stay does not exceed 90 days.
What You Can Take Home from Barcelona -- For information on what you're allowed to bring home from Barcelona, contact one of the following agencies:
Australian Citizens: Australian Customs Service, Customs House, 5 Constitution Ave., Canberra City, ACT 2601 (tel. 1300/363-263; from outside Australia, tel. 612/6275-6666; www.customs.gov.au).
Canadian Citizens: Canada Border Services Agency, Ottawa, Ontario, K1A 0L8 (tel. 800/461-9999 in Canada, or 204/983-3500; www.cbsa-asfc.gc.ca).
New Zealand Citizens: New Zealand Customs, The Customhouse, 17-21 Whitmore St., Box 2218, Wellington 6140 (tel. 04/473-6099 or 0800/428-786; www.customs.govt.nz).
U.K. Citizens: HM Customs & Excise, Crownhill Court, Tailyour Road, Plymouth, PL6 5BZ (tel. 0845/010-9000; from outside the U.K., tel. 020/8929-0152; www.hmce.gov.uk).
U.S. Citizens: U.S. Customs & Border Protection (CBP), 1300 Pennsylvania Ave. NW, Washington, DC 20229 (tel. 877/287-8667; www.cbp.gov).