Want your site listed here? I'd be honored. Send me an e-mail. This list is in alphabetical order.
http://www.ghosttowns.com - One of the older ghost town sites out there, this site covers as many states as possible with smaller images, but lots of detail.
http://kennethjessen.com/ - The great ghost town hunter, historial, and lecturer (my mentor) has now put up his own website. Check it out!
http://myinterestinglife.net// - Personal site of a friend, Shannon Landsberger. PS. Buy his house.
http://www.mypeak365.com/ - This photography site specializes in taking a photo of Pike's Peak for each of the 365 days in a year.
http://pikespeakphoto.com/ - The work of professional photographer Wojtek Rychlik.
http://www.rockymountainprofiles.com - Specializing on Colorado, this site covers ghost towns, and photography as mine does.