Lonely Planet (www.lonelyplanet.com/europe) Destination info, hotel bookings, traveller forums and more.
The Man in Seat 61 (www.seat61.com) Comprehensive information about travelling Europe by train.
Ferrylines (www.ferrylines.com) Excellent portal for researching ferry routes and operators throughout Europe.
Michelin (www.viamichelin.com) Calculates the best driving routes and estimates toll and fuel costs.
BBC News (www.bbc.co.uk/news) Find out what's happening before you arrive.
Europa (http://europa.eu) Official website of the EU.