Buy tickets to see a game at Vale Park. If there's nothing on while you're there, you might like to check if they give a tour of the grounds.
You'll soon discover why this Stoke-on-Trent sporting facility is a hit with travelers. If you're looking for more to explore, Trentham Gardens, Waterworld, and Keele University are in the area too. They won't take you long to get to from Vale Park.