ABTA: www.abta.com
Australian E-Visitor: www.ecom.immi.gov.au
UK Passport Agency: www.passport.gov.uk
Country Info: www.countrybycountry.com
EHIC European Health Card: www.ehic.org.uk
Overseas telephone codes: www.bt.com/international-guide
Foreign and Commonwealth office: www.fco.gov.uk
Worldwide Weather: www.metoffice.gov.uk/weather/world/
U.S. ESTA official site: https://esta.cbp.dhs.gov