Pack a picnic and go to a park/beach to relax for the day.
Check out exhibitions at the various museums in town.
Have a nice relaxing breakfast in town.
Go cycling/bush walking and discover a different side of the city.
Try something new, be it food/sport/suburb.
You don\'t need to leave town to have a holiday.
Remember, a lot of people actually pay for air tickets and hotel accommodation, just so they can come to visit the city you are in now!