Eurorail

There are many options for railing through Europe depending on total length of visit, number of countries/cities you want to visit, region of Europe, and flexibility of travel. If you are traveling in a group there are discounts available as well. It is your best option if you are traveling to many places, want to cover a lot of countries and don't want to be limited with number of travel days.

The most popular passes are below, click for more info or to buy:

• Eurail Saver Pass: flexible travel throughout 17 countries
  Great Flexibility for a wide range of travel! Unlimited Train travel through the 17 Eurail Countries: Austria, Belgium, Denmark, Finland, France, Germany, Greece, Holland, Hungary, Italy, Luxembourg, Norway, Portugal, Republic of Ireland, Spain, Sweden and Switzerland.
  
  
• Europass®: travel throughout France, Germany, Italy, Spain and Switzerland Good Value and Flexibility! Unlimited train travel in 5 countries, with lots of options.
  
  
• Eurail Selectpass travel in any three bordering countries
  Unlimited travel on the national rail networks of any 3 adjoining Eurail countries that are connected by train or ship.
  
  
• Single Country Passes choose your country in Europe
  If you are only going to be traveling within one country, a single country railpass is your best option. Choose from any of 24 countries.
  
  
• More: there are also Regional passes like Iberia and the Balkans and Point to Point tickets (For single trips). Check out Fares & Schedules