"The House on Haunted Hill" is a 1959 horror film directed by William Castle. The story revolves around a wealthy man named Frederick Loren, who invites several guests to a haunted mansion for a party. He offers a cash prize to anyone who can stay the night, but the guests soon encounter terrifying supernatural occurrences. The film features a blend of suspense and dark humor, showcasing the eerie atmosphere of the haunted house. It has become a classic in the horror genre, known for its innovative marketing and the use of Emergo, a gimmick that involved a skeleton flying over the audience during screenings.