InterRail trickets are used on European railroads to travel. You get 10 days to travel witch you can spend over 22 days. This is how I filled my travel days :)
Off to prague from amsterdam!
From Prague to Vienna
After a short night Vienna, off to Ljubljana!
From Ljubljana to Croatia, destination Pula!
From Pula to Venice
From Milo to Li Curt
From Li Curt to Germany, from there to home :)