No! Guests should be able to show an invitation or express they are there for the wedding, and should be let in for free!
After the entrance gate there are two parking lots located by the ceremony! When you are entering the park there are two parking lots located on the right, this is the train station, this is NOT the parking lots, keep driving past these and the road will open to the gravel parking lots by the ceremony!
Guests are welcome to enjoy the air-conditioning of the reception building, or stroll through the main building, viewing the displays! Guests are also encouraged to bring their walking shoes and explore the park! Here is a link to the map of the park! https://wildlifeprairiepark.org/images/AdventureMap.webp