yeah dude i cant find a mapquest for it either, well heres the site that says very little about it http://www.mywinterhaven.com/les/leisure.htm

its in downtown winterhaven here is a mapquest of wired warriors which is in downtown winter haven, and the car show should be in that area (Wired warriors is just used to show you where the show is close to, they arent doing anything with the show)
Map of 278 W Central Ave Winter Haven, FL by MapQuest=

and to get to the Orange Dome use this mapquest of Taco Bell in winter haven, it is right before you get to taco bell on the left on cypress gardens blvd, when driving down the blvd just look over towards your left and u cant miss it.
Map of Taco Bell, 1799 3rd St SW Winter Haven, FL by MapQuest

--I will probably go through winter haven today so ill stop by and try to find an address so its not a headache for ppl---