The 2025 Haunted Happenings celebration is expected to attract more than a million visitors, according to a WickedLocal.com report. Below are a few of the many activities and events taking place during the first week of Haunted Happenings. View the official Salem Haunted Happenings calendar for more details. The 28th annual Salem Chamber of Commerce Haunted Happenings Grand Parade , 6:30 p.m., 6:30 p.m. Ghosts and Legends Trolley Tour , 5:30 p.m.-8:30 p.m., 5:30 p.m.-8:30 p.m. "Hysteria: The Ghost Magician," 6 p.m.-9:20 p.m.6 p.m.-9:20 p.m. Gallows Hill Presents: "Guilty!