Official Advice

UK Government

British Foreign Office Travel Advice
Advice on living and travelling abroad , including country specific advisories,health info ( eg.swine flu ), what to do when things go wrong, help from consulates and embassies, getting married abroad.

Foreign and Commonwealth Office Passport Office Official UK Passport Office

NHS Health Advice

NHS Direct
NHS direct online and telephone help for all ailments

Fit for Travel NHS advice for global travel

New Zealand

New Zealand Embassy London For Visas, emigrating click here New Zealand Official Tourism Site

Australia

Australian High Commision / Australia House London
Australian Visa Bureau ALL Visa s for Australia holiday,skilled,family,spouse etc.
Australia Official Tourism Site

Canada

Canadian Offical Tourism Website
Canadian Visas from Visa Bureau
USA London Embassy Official Site
USA Official Visa information
USA Official Tourism SIte

Not so official but useful....

Tripadvisor . Reviews of hotels ,destinations by real people

Disabled Travel advice

The Telegraph Travel Site- really useful and informative , reviews,destinations