Abandoned But Not Forgotten
- Abandoned, historical and unusual locations throughout various states.
- http://www.abandonedbutnotforgotten.com/

Flickr: Abandoned Houses
- Old, abandoned houses located in the USA.
- http://www.flickr.com/groups/abandonedhouses/

Denver Drainers
- Urban exploration of sewers in the state of Colorado.
- http://www.denverdrainers.org

Flickr: kentuckiana Haunted Places
- For photos and comments on places that are known to be haunted or scary in and around Kentucky.
- http://www.flickr.com/groups/khp/

Flickr: Rust Belt
- Show us your smelters, your open-hearth furnaces, your train tracks, your sulfur-burning, coal-fired plants, shuttered factories, and abandoned warehouses. Show us our cities, deserted streets and blighted neighborhoods. Show us the forgotten broad should
- http://www.flickr.com/groups/rustbelt/

20th Century Castles
- Offers underground missile site properties. Includes photos, descriptions, and prices.
- http://www.missilebases.com/

Defunct Amusement Parks
- A collection of defunct amusement park information, searchable by state, with history and photographs of some parks.
- http://www.defunctparks.com/

Abandoned Missile Base VR Tour
- This presentation will take you on a full tour of a decommissioned, abandoned underground missile complex.
- http://www.triggur.org/silo/

Preservation Online
- The national, private organization chartered by Congress to encourage public participation in the preservation of sites, buildings, and objects significant in American history.
- http://www.nationaltrust.org/magazine/

National Register of Historic Places
- Part of a national program to coordinate and support public and private efforts to identify, evaluate, and protect historic and archeological resources. Listings of historic and vacant places.
- http://www.nationalregisterofhistoricplaces.com/

New England Ruins
- Photography by Rob Dobi.
- http://www.dobi.nu/photos/

Coal Fields of the Appalachian Mountains
- Exploring abandoned coal mines.
- http://www.coalcampusa.com/

Urbanized
- A collection of urban ruins photography by Robert Stephens. Based in Alabama.
- http://www.urbanized.us/

Stealth Force Beta
- A portfolio from a group of troublemaking explorers who once operated at New Mexico Tech.
- http://www.spril.com/StealthForceBeta/

Whitesword TV
- Features downloadable episodes of an apparently homemade TV show, and gives details on an apparently equally homemade radio show. Oregon.
- http://home.comcast.net/~whitesword/whitesword_tv.htm

PDXplore
- A journal of infiltration operations, exploitations of public works, and explorations in and around the Portland, Oregon area.
- http://www.deadmethany.com/~pdxplore/

Lost Indiana
- Contains information about abandoned buildings and places in Indiana.
- http://www.lostindiana.net/

Carl Weese
- Abandoned farm houses and drive in movie theaters.
- http://www.carlweese.com/index.html

MySpace: Southern Urban Exploration
- A community of people who find beauty in the abandoned places of the south-eastern coast and want to share experiences, photographs, websites, advice, driving directions.
- http://groups.myspace.com/southernabandoned

Yellow Albert
- A photography-centric group of explorers based in Athens, Georgia but roving across the southeast US.
- http://www.yellowalbert.net

D.C. Underground
- Transit exploring in Washington, DC.
- http://www.clouse.org/

Alaskan UE
- Drains, steam tunnels, abandoned buildings, military leftovers and more in Fairbanks, Anchorage, Juneau and Sitka.
- http://freak.minimanga.com/

The Unquiet Tomb
- East coast based urban exploration/ paranormal site containing pictures of abandoned houses, asylums, cemeteries and roadside attractions. NY, NJ, PA urban exploration site.
- http://unquiettomb.com/

Urban Exploration America
- A group for UE folk in America to explore other areas in America and to find other explorers to meet up with.
- http://groups.myspace.com/httpUrbanExplorationAmericagroupsmyspacecom

Decayed Realms
- This is a place to discuss and showcase our American ruins. Photos and ideas are welcome about all aspects of urban decay and blight. An emphasis on urban exploration and photography is highly encouraged.
- http://groups.yahoo.com/group/decayedrealms/

Forgotten Delaware
- Urban exploration in Delaware. Main focus is on industrial type places.
- http://groups.yahoo.com/group/forgottendelaware/

North East Urban Exploration
- MySpace group for urban explorers to share pictures and suggest new areas in the north east US.
- http://groups.myspace.com/NEUE

MySpace: Urban Exploration
- A group to post pictures, share links and locations to explore. Focus is on the US.
- http://groups.myspace.com/urbanexplore

North East Urban Exploration Alliance WebRing
- Focused on the Northeast region of American urban exploration.
- http://www.webring.com/hub?ring=newenglandurban1

Salt Lake City Weekly: Space Invaders
- Article by Tim Sullivan. Urban explorers hack into Utah's subterranean jungle.
- http://www.slweekly.com/editorial/2003/feat_2003-10-16.cfm

Opacity.us
- A collection of histories, exploration accounts, and thousands of photographs of various abandoned structures in the United States and Europe. Features many derelict psychiatric hospitals and asylums as well as documenting abandoned prisons, large industr
- http://www.opacity.us

Modern Ruins
- Photographs by Phillip Buehler.
- http://www.modern-ruins.com/

The Institute for Urban Speleologic Studies & Archeology
- The IUSSA was formed to encourage urban exploration and urban archeology. Locations, dictionary, forums and magazine. Focused on the US, East Coast.
- http://www.iussa.org

Visceral Axis
- Cavort endlessly among the ruins. Photo galleries of tunnels in Danvers State Hospital, military bunkers, and various abandoned buildings of the northeast.
- http://www.visceralaxis.net/

Northville Tunnels
- Photos, maps and stories with film and video. Active forum for registered members.
- http://www.northville-tunnels.com

Smcdowell5.com
- Photographs of abandoned, historical and otherwise interesting places in the US.
- http://smcdowell5.com

Lost Destinations
- The website for those who love to get "lost"- explore places abandoned, haunted, forgotten, spooky, unusual, mysterious, historical, mythical and unknown. Based in the US.
- http://www.lostdestinations.com

Underground Ozarks
- A forum for discussing urban exploration in the Ozarks.
- http://www.undergroundozarks.com

Strange New England
- Field guide to New England's legends, curious history and weird destinations.
- http://strangene.com

New England Urban Exploration Alliance
- Focused on the northeast region of American urban exploration.
- http://m.webring.com/hub?ring=newenglandurban1

Ghost Town Gallery
- Pictures of ghost towns and historic places in Arizona, California, Colorado, Nevada, New Mexico, Idaho, Montana, Utah. Picture gallery, driving directions, historic information, maps.
- http://www.ghosttowngallery.com/

Drudgery
- A collection of urban decay photographs from many several locations. US.
- http://www.drudgery.org

Abandoned NC Group
- A Group dedicated to catologuing historical sites, graveyards, abandoned, derelict, and forgotten buildings and structures in North Carolina for the purpose of exploring, visually recording, and appreciating the art of decay.
- http://groups.yahoo.com/group/abandoned_nc/

Abandoned & Little-Known Airfields
- Information on vanished or abandoned airfields and little-known airfields with unusual histories. US locations.
- http://www.airfields-freeman.com/