Lost Destinations - Large and regularly updated collection illustrated articles about abandoned and otherwise creepy locales in El Paso, Texas, and further afield.
Motel 666 - Although difficult to navigate, this site offers some nice material relating to drains and abandoned hotels, malls and houses in Lubbock.
Suburban Underground Vadders - The site of a group of Texas explorers interested in abandoned buildings and drains.
Texploration - The coding is a little shaky, but this is a good photo-oriented look at urban exploration in Texas.
Urban Alexploration - A nicely designed site concentrating on drains and abandonments around Dallas/Fort Worth and beyond.
Urban Experiences - A look at some abandonments around the Dallas-Fort Worth area.
Urban Exploration Dallas - A local group site that suffers from overreliance on templates.