If your trip to Granollers is all booked but your travel itinerary is looking a bit empty, let us give you a few hints and tips.Whatever you do, don't forget to take your camera when you head to Circuit de Barcelona-Catalunya. This terrific attraction is guaranteed to offer some wonderful photo ops.Not too far from the city center, Granollers Town Hall is one sight to consider putting on your to-do list. If you still have some space on that travel itinerary, The Constable's House and La Porxada will keep you entertained as well.