Some people like to watch cars and some people like to spend time watching the races or tennis. if you're after a new and exciting thing to do them head to Sydney Airpodt and watch the planes take off.
Before you leave make sure you check the flight schedule so you know the best place to watch a plan take off from. When you watch a plane take off it can be quite exciting. Most airports have look out points for this specific purpose and when you do you'll see all the different types of aircraft.
This is great for those who are fascinated with air travel or just travel in general.