Nightmare On 13th is opening up for one night only on June the 13th for A Summer Nightmare! Don't miss this event and the chance to see some of our new changes for our 30 year anniversary season this fall! One night only, limited ticket quantities are available so don't wait and get your tickets now before they're gone! Tickets are being sold ONLINE ONLY, no tickets will be sold onsite. Come see A Summer Nightmare and have a screaming good time at Utah's Legendary Haunted Attraction, The Nightmare On 13th!!