Zioptis Foundation
- Reviews of haunted attractions in Michigan, and throughout the United States.
- http://www.zioptis.com/

Laff In The Dark
- Articles on the history, design and construction of amusement park haunted attractions and the artists and firms that built them.
- http://www.laffinthedark.com

Scared.com
- A guide to Denver area haunted houses, with maps and discounts.
- http://www.scared.com/

Haunted Illinois
- Links, prop ideas, a defense of Halloween, and current Illinois haunted house listings.
- http://www.hauntedillinois.com/

Haunted Indiana.com
- Describes haunted attractions in different parts of the state. Includes information about places that supposedly really are haunted and ghost hunter links.
- http://www.hauntedindiana.com

Haunted Houses and Attractions
- Database of US Halloween attractions, grouped by state.
- http://www.hauntedhouses.us/

Special Effect Supply Corp. - Haunted Houses
- Listing haunted houses in Canada and the USA by location, with a brief description of each site and contact information.
- http://www.fxsupply.com/haunted_house/HHlist.html

Dark Side of the Net: Halloween
- Many links for haunted attractions and other events across the United States.
- http://www.darklinks.com/dhaunthouse.html

Haunted Houses
- A haunted house directory and scary movie review database.
- http://www.hauntedhouses.com/

Haunt Freaks
- Provides reviews of haunted attractions, movies, and books. Also includes stories, monster art, and message board.
- http://hauntfreaks.com/

Maggot Muncher's Haunted House Directory
- Haunted houses listed by state, from California to New York.
- http://www.maggotmuncher.com