The UQ Physics Museum has an interesting collection of devices used in experiments over the last 80 or so years. It's a small space and is a little cluttered, and there aren't a lot of descriptions of the equipment, but there may be someone on hand to explain things to you.
The most interesting thing here is the Pitch Drop experiment, which is actually still in progress right outside the museum. Turns out pitch (which used to be used in construction) is actually a liquid, and although it looks and feels completely solid, it flows very slowly. They are waiting for the next drop to fall - could be any time now. I don't recommend hanging around and waiting, but if you like science then you will find this very interesting. And if you don't like science, you should. read more