If your trip to Linz is all organized but your itinerary is looking a bit empty, we can give you a few hints and tips.You'll have to get up early if you want to check out all the great attractions that this place has to offer. Linz Castle Museum and Lentos Art Museum are non-negotiable. St. Martin's Church and Linz State Gallery can't be missed either.Close to the city center, TipsArena is one sight you might like to consider adding to your to-do list. If you still have some space on your schedule, Casino Linz and Ars Electronica Center will keep you busy too.