WATCH: What’s New at the 2015 OC Fair? [with attendee interviews]’s Jason Rzucidlo reports from the 2015 OC Fair in Costa Mesa, Calif. “One Big Party” is this year’s official theme. The Orange County Fair is celebrating its 125-year history from its beginnings in 1889. In this video, watch for highlights and interviews with some attendees. Outdoor ice skating and an indoor ice museum are new attractions this year. For the foodies out there wanting to try something new, how about a Caviar Twinkie for $125. Deep-Fried Pizza and Birthday Cake are being offered for the first time ever. The fair also features traditional favorites such as a petting zoo and midway rides.