You look at pigs, but they're all some farmer's idea of what their best pig is, so it's a pretty good collection of pigs. Basically the same thing as an art fair. It's mild fun.

These are usually combined with a state fair, so then you go eat deep-fried butter and wonder why there are so many people trying to sell you hot tubs.

If you instead go to a specialist one for sheep, you can pet the sheep, buy a nice sweater, and watch a sheepdogging competition. This is actually a blast.