ADVISORIES AND CUSTOMS

• U.S. State Department travel advisories
  http://travel.state.gov/travel/cis_pa_tw/cis_pa_tw_1168.html

DOCUMENTS

• Passport information (U.S.)
  http://travel.state.gov/passport/passport_1738.html
• Entry requirements for foreign countries (U.S. residents)
  http://travel.state.gov/travel/cis_pa_tw/cis/cis_4965.html
• Passport information (Canada)
  http://www.pptc.gc.ca/index.aspx
• Entry requirements for foreign countries (Canadian residents)
  http://www.voyage.gc.ca/countries_pays/menu-eng.asp

EMBASSIES AND TOURIST OFFICES

• Register your trip with the U.S. State Department
  https://travelregistration.state.gov/ibrs/ui/
• U.S. embassies and consulates worldwide
  http://www.usembassy.gov/
• Embassies and consulates worldwide
  http://www.embassyworld.com
• Tourism offices worldwide
  http://www.towd.com

HEALTH AND TRAVEL

• CDC (Centers for Disease Control) travel health information
  http://wwwn.cdc.gov/travel/
• Medical information for Americans traveling abroad
  http://travel.state.gov/travel/tips/health/health_4971.html
• Shoreland's Travel Health Online
  http://www.tripprep.com
• WHO (World Health Organization) health topics and policies
  http://www.who.int/topics/en
• International Association for Medical Assistance to Travelers (IAMAT)
  http://www.iamat.org