Alien51
- Report sightings and view them. Includes discussion boards for a variety of paranormal related topics: aliens, ghosts, conspiracy theories, and the paranormal in entertainment.
- http://www.alien51.com

UFO Over Whixley North Yorkshire 1977
- Description of a UFO sighting over Whixley, near York, North Yorkshire, UK in May 1977.
- http://www.ufos.me.uk

Unexplainable UFO Pictures And Information
- Reports, sightings and an interactive supernatural message board.
- http://www.unexplainable.net

UFOs Over America
- Dedicated to information about UFO sightings, photos, stories, encounters, links.
- http://www.ufosoveramerica.com

U F O Nut
- This site contains pictures and descriptions of historic UFO sightings and annotated links to current UFO observers.
- http://www.ufonut.com

Project Hessdalen
- In the area of Hessdalen, Norway, a luminous phenomenon was occurring with strong recurrence. The Project Hessdalen is a scientific research project for the study of the phenomenon. [English/Norwegian]
- http://www.hessdalen.org/