Halloween Horror Nights 2024 Dates California. Discover a ghoulishly good time with this guide to haunted houses, pumpkin patches, halloween zoo events across california. Each fall, universal studios hollywood transforms into a terrifying playground of nightmares during the highly anticipated halloween horror nights.

Enter a world of your worst nightmares with 11 haunted houses and 9 scare zones. Then we will uncover the houses, scare zones and other entertainment as the details trickle in and.