STA Travel - The world’s largest student travel organization

Student Universe - Plane, Bus, Train, Hostels...

Frommers - Great travel guide to cities around the world. Look at attractions, tours, sports, dining, nightlife, shopping, maps, and more.

Eurotrip - Book a hostel, get a rail pass, or buy bus fare.

ISIC - Travel advice, world guides, identity cards, discounts...

Rail Connection - Find any rail in Europe.

Backpack Europe - Tons of information about cheap travel in Europe.

Hitchhikers - Drivers list their routes so hitchhikers can choose.

Backpack Germany

Backpack Switzerland