Jimmy Fallon has announced a new haunted maze experience called 'Tonightmares' at Rockefeller Center in New York City, starting Sept. 20 through Oct. 31. The maze, designed in collaboration with the Universal Studios Halloween Horror Nights team, will feature 10 rooms inspired by Fallon's 'deepest, darkest nightmares,' including killer scarecrows and brain-eating zombies. Tickets for this immersive horror experience start at $36.90 and went on sale on Aug. 22. Fallon, who also revealed a new children's book titled 'Five More Sleeps ‘Til Halloween,' emphasized that 'Tonightmares' is perfect for groups seeking a unique thrill. The attraction is not recommended for children under 14 and aims to capitalize on the growing popularity of horror-themed events by NBCUniversal. David O’Connor of NBCUniversal highlighted the company's commitment to bringing Halloween to life through innovative experiences.