Nightmares become reality at Universal Studios Hollywood’s annual Halloween Horror Nights, with themed shows, scare zones and fright-filled mazes.This year, zombies from AMC’s original series The Walking Dead invade a new maze set in a post-apocalyptic wasteland, one that extends through the Terror Tram that patrols the famous Universal back lot. John Murdy, creative director at the Universal City theme park, says the experience was designed for guests to feel as though they’re walking in the footsteps of the show’s characters. Additional haunts include terrifying transformations for Revenge of the Mummy—The Ride, Jurassic Park—In the Dark, Transformers: The Ride—3D and The Simpsons Ride, and a roast of infamous guest stars in the parody show Bill & Ted’s Excellent Halloween Adventure. $72–$80, under 3 free. Oct. 5–7, 12–14, 18–21, 25–28, 31. Front-of-line pass, $139–$149. VIP Experience $269. Universal Studios Hollywood, 100 Universal City Plaza, Universal City, 800.864.8377. halloweenhorrornights.com