Europe
Abandoned Russia, Adventure City, AGC UE, Catacombs and Quarries of Paris, Catacombs and Quarries of Paris, Closed Stations in Paris' Subway, De Onderwereld, Derelict London, Friched.net, Hidden Glasgow
North America
Abandoned Asylum, Abandoned Buildings of the Northeast, Abandoned Memories, Abandoned NC, Abandoned NC Group, Abandoned Online, Abandoned South Carolina, Abandoned Subway Stations (New York), Abandoned Subway Tunnels in Boston, Action Squad: Minneapolis Urban Adventurers
75mg
This is a collection of paintings involving abandoned institutions. Includes photographs of sites visited.
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.
Canberra Urban Exploration
Draining or urban exploration is the key with maps, guide and tips.
Cave Clan Australia
An organisation dedicated to the exploration of urban drains and tunnels in Melbourne.
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.
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.
Infiltration
Website on urban exploration, featuring a webring, dictionary, and many pointers.
Modern Ruins
Photographic essays include explorations of a girls orphanage, insane asylum, hospital, crypt, and steel plant.
Modern Ruins at Start4all.com
Explorations of ghost towns and abandoned (derelict) buildings. Also known as urban exploration and industrial archaeology.
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.
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.
Salon: Online and Underground
Article by Janelle Brown about the urban exploration trend.
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.
The Canberra Cave Men
Canberra based urban exploration group, now a sub-group of the Cave Clan. Archive, site is no longer being updated.
The Derelict Sensation
A cultural project inviting contributions from anyone interested in derelict buildings or abandoned spaces. Interviews, research and photographic galleries.
The Institute for Urban Speleologic Studies &
The IUSSA was formed to encourage urban exploration and urban archeology. Locations, dictionary, forums and magazine.
The Poetics of Decay
Resource for essays on decay, urban exploration and the aesthetics of urban ruins.
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 Exploration Australia
Bunkers, power stations, and other structures in Australia.
Urban Exploration Australia
A collection of photographs of locations in the urban and industrial environment. Exploring the underground of Australia and beyond.
Urban Exploration Email List
Discussing adventure in places you're not supposed to be.
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.