We are avid users of our Ohio Metro Parks... but a farm?
It was pretty awesome! :) A great place to take children for them to see how a farm works and where their food comes from. I was particularly obsessed with taking pictures of the chickens (one day... I'll have a flock of my own). The baby piglets were adorable, although the mud around them was unbearably stinky, ick.
The farm includes cows, horses, sheep, chicken, turkey, bee hives, and pigs. There is a large garden of beans, squash, tomatoes, herbs, pickles, and peppers. Larger fields of corn and pumpkins. A smoke house and root cellar show how farmers preserve food. And inside the farm house there is usually something baking in the kitchen and demonstrations going on. Also several barns for making flour out of grain, making brooms, blacksmithing horse shoes, and more.
If you're looking for something fun to take kids to on a nice day, pack a picnic (there is a nice shady picnic area right at the farm entrance) and go down the farm!