Horror movies are a popular film genre that revolves around creating feelings of fear, terror, and shock in the audience. Some of the most famous examples of horror movies include "The Exorcist," which focuses on demonic possession, "Halloween," which features a masked killer terrorizing a small town, and "The Shining," which explores the psychological breakdown of a writer in an isolated hotel. Other popular horror movies include "A Nightmare on Elm Street," where a group of teens is haunted by a killer who attacks them in their dreams, and "The Silence of the Lambs," where an FBI agent seeks the help of a cannibalistic serial killer to catch another killer on the loose. Horror movies often use jump scares, suspenseful music, and dark settings to create a terrifying atmosphere and keep audiences on the edge of their seats.