Likely, sometimes, you are wondering about driving through Old Continent by car, or railway. Plenty of another countries you will passing by, getting to know the culture, architecture. You will be able to take as many stops as you wish, and stay in chosen places even for entire day. There is also an option to get one ticket for all European Railways, expired after two weeks. This is really interesting option, and not as impossible as you may think it is. You can get a train ticket in Wroclaw and, after couple days, wake up in Madrid, for instance. So stop hesitate, pack your bags and go to the closest railway station!