Infiltration -  .

Abandoned Asylums and Sanatoriums Webring - - For sites about the history, exploration and photography of abandoned asylums, sanatoriums and hospitals.

Abandoned Places - - Photographs by Henk van Rensberge of abandoned hospitals, factories and other old buildings, derelict and overgrown.

Articles of the Mind - - Personal journal, includes urban exploration adventures and discussions.

Corrosion: Industrial Archeology - - Corrosion explores the phenomena of urban decay through exploration and still & motion photography of (mosty) abandoned buildings, storm drains, and steam tunnels.

The Derelict Sensation - - A cultural project inviting contributions from anyone interested in derelict buildings or abandoned spaces. Interviews, research and photographic galleries.

Dylan Trigg: The Poetics of Decay - - Resource for essays on decay, urban exploration and the aesthetics of urban ruins.

Industrial Archaeology - - Urban exploration and photographs by Jef Poskanzer.

Industrial Archaeology & History Ring - - The ring contains sites of interest to industrial archaeologists and industrial historians.

The Institute for Urban Speleologic Studies & Archeology - - The IUSSA was formed to encourage urban exploration and urban archeology. Locations, dictionary, forums and magazine.

Jack Gardens - - Photo gallery of modern ruins, urban exploration.

Macca's Stuff: Urban Exploration - - Commentary and reviews of urban exploration sites.

75mg - - This is a collection of paintings involving abandoned institutions. Includes photographs of sites visited.

Modern Ruins - - Photographic essays include explorations of a girls orphanage, insane asylum, hospital, crypt, and steel plant.

Modern Ruins Photography Webring - - Lots of European sites in this ring for photographs of abandoned sites and ruins from the Industrial fringe of cities and landscapes.

Photographing Abandoned Houses - - Tips and suggestion on how to turn old abandoned houses, into fantastic photographic subjects.

ProjectZ - - A collection of articles concerning urban exploration, put together by a group of likeminded hackers, including in-depth reports of abandoned underground station explorations.

PURP: Penguins Under a Reactionary Planet - - Draining and stencil graffitti. Urban exploration and graphic art.

Ratfinks - - Urban exploration journal.

RottenEggs Urban Adventures - - Commercial site that allows registered users to post messages on urban adventures and explorations.

RuralRuin's LiveJournal - - Sharing photographs from explorations around the world.

Sleepy City - - Photography site dedicated to underground tunnels, derelict industrial sites and urban ruins. Discarded by society these interesting and historic locations wait quietly for the occasional urban explorer. Includes categorized images, message boards, and links.

Spooky Stuff - - A forum for sharing underground exploration stories.

SU: Urban Explorers - - StumbleUpon group for everybody who enjoys abandoned and derelict places, worldwide. Includes restoration and preservation sites. Share photos, impressions, and memories.

Urban Exploration Email List - - Discussing adventure in places you're not supposed to be.

The Urban Exploration Ring - - Webring for sites about exploration and urban speleology.

The Urban Explorers Network - - Longest-running cooperative collection of UE information on the Web. Info on dozens of sites from around the world, submitted by fellow explorers.

Urban Sites by City - - An archive of information on underground urban sites and structures throughout the world.

Yahoo Groups: Modern Ruins - - A forum for photographers of modern ruins. Discussion and shared photographs.

Zone Tour - - A non-profit association to promote industrial archaeology and architecture, and to reveal a particular point of view about the city. Database of urban exploration. International but mainly France.

Salon: Online and Underground - - Article by Janelle Brown about the urban exploration trend. (2001/01/16)