Anomaly Zones & Spook Lights 
Information and resources.
http://ufos.about.com/cs/spooklights1/index.htmObiwan's Ghostlights Page
An informative introduction to ghostlights, containing real-life reports and plenty of links.
http://www.ghosts.org/ghostlights/ghostlights.html
Peakland spooklights
An article detailing the folklore and history of the spooklights observed in Derbyshire, England.
http://www.indigogroup.co.uk/edge/Peakland.htm
Geophysical Meteors
A. Ol'khovatov's page, about a phenomenon that closely resembles that of earth lights. Extensive articles, including historical events and possible explanations.
http://www.geocities.com/CapeCanaveral/Cockpit/3240/gr1997.htm
The Brown Mountain Lights
Information, photographs, and video of mysterious lights that have been reported for over 800 years atop a mountain ridge in western North Carolina.
http://shadowboxent.brinkster.net/brownmountain2.html
Project Hessdalen
Web site of Project Hessdalen, related to a luminous phenomenon that was occurring with strong recurrence in the area of Hessdalen in Norway. [English/Norge]
http://hessdalen.hiof.no/
Experiments on Brown Mountain
Article reports on the results of studies that have found possible explanations for enigmatic nocturnal lights in western North Carolina.
http://www.science-frontiers.com/sf033/sf033p17.htm
