If your trip to Trondheim is all booked but your travel itinerary is a little on the empty side, let us give you a helping hand.You'll need to rise early if you want to check out all the great sights that this place has to offer. Stiftsgarden Royal Residence and Museum of Decorative Arts are no-brainers. Nidaros Cathedral and Archbishop's Palace can't be missed either.Plan a stop at Old Town Bridge. It's one sight you'll usually find on many visitors' must-do lists. If you still have some space on that travel schedule, Brattøra and Kristiansten Fortress will keep you on the go too.