Forgotten Ohio
- Ohio's forgotten man made wonders, strange history, and restless spirits.
- http://www.forgottenoh.com/

Lost & Found Ohio
- Dedicated to photography of Licking, Coshocton, Knox and Muskingum counties. Cemeteries, history and exploring many of the forgotten or abandoned structures around these counties.
- http://lostandfoundohio.com/

Flickr: Forgotten Ohio
- Group for people to share photos of abandoned places in Ohio.
- http://www.flickr.com/groups/forgottenohio/

UnknownTours
- Urban exploration tour guide business. Based in Ohio.
- http://unknowntours.com/

Sue's Urbane Exploration Page
- Photo journal of explorations in the Ohio area.
- http://www.wetzoollamb.net/tours/index.html

Standing But Not Operating
- Pictures and history about Idora Park, Chippewa Lake Park, and any other amusement parks that are standing but not operating in the Ohio area.
- http://sbno.illicitohio.com

Great Lakes Urban Exploration
- Urban exploration team from Cleveland, Ohio. Exploring abandoned buildings, tunnels, and other man-made places that you're not supposed to go. Documenting and preserving these forgotten places through photography.
- http://www.greatlakesurbanex.com

Grave Addiction
- Photos from cemeteries, haunted places, and historical sites. Ohio explorers.
- http://www.graveaddiction.com/

Illicit Ohio
- Abandoned buildings, amusement parks, steam tunnels, transit tunnels and drains of central Ohio.
- http://www.illicitohio.com/

Ohio Trespassers
- Features a variety of hospitals, asylums and other abandoned places in Ohio.
- http://www.ohiotrespassers.com/

Ohio Exploration Web Ring
- Sites in this ring contain information on Ohio's haunted, historic and abandoned places.
- http://www.webring.com/hub?ring=ohioexplorationw

Ohio Exploration Society
- Exploring the forgotten and historical places of Ohio, one at a time.
- http://www.ohioexploration.com

Cincinnati's Abandoned Subway
- A section of the Cincinnati Transit site covers the abandoned and never-used subway tunnel under the city.
- http://www.cincinnati-transit.net/subway.html