The following sources were consulted in the preparation of the article “The haunted hotels that turn into pop-up attractions.”
- Queen Mary’s Dark Harbor: Summoned by the Seas
- Peacock And Blumhouse’s Overnightmare Activation Coming To The Stanley Hotel
- Hawthorne Hotel’s Halloween Ball
- Ghostly Goings-On at the Hotel del Coronado
- 1886 Crescent Hotel & Spa
- Lemp Mansion Spirits with the Spirits Tour
- Hotel Congress Haunted Hotel Tours
- Our Myrtles Plantation Ghost Hunt
- Spooky Season in Seattle: Haunted hotel offers witch-themed tea event
- Ghost Stories: Omni Mount Washington