Purchase a ticket to see a game at Selhurst Park Stadium. If there's nothing on while you're in town, you might like to check if they offer a tour of the facilities.
You'll soon find out why this South Norwood sporting facility is a hit with travelers. If you're looking for more to see and do here, Wimbledon Tennis Club, The Oval, and Crystal Palace National Sports Centre are in the area as well. They won't take you long to get to from Selhurst Park Stadium.