Since Poland became member of EU, we got opportunity to travel for job to the United Kingdom. It is not against the law, the paychecks are fine, we are able to spare some cash for later. But even if you aren't working abroad, you are still able to to visit, cause there are a lot of cheap flights from Krakow to London for instance. If you have never been there, you must to totally go, cause this big city is one of the most famous destination points in entire Europe. You only have to know how to locate great deals, and hit the road.