Minneapolis Drain Archive - Expedition logs from touring drains in 1998 and 1999. - http://www.aberrant.org/~sand/drain/
Blogger: Urban Decay - The Twin Cities are full of places that go unnoticed by most people. Just beneath our feet, or behind an old steel door, they stay largely undisturbed, and unknown. Here is a glimpse into another world that sits just beyond everyday life. - http://urbandecayue.blogspot.com/
Twin Cities Urban Exploration Cabal - Media information about the exploration of sewers, drains, tunnels, caves, and abandoned places in Minneapolis and Saint Paul. - http://www.tcuec.com/
Mike Gilday Stock Photography - Atmospheric underground, vacant and abandoned building, underground, nighttime and general stock photography. City of St. Paul and area. - http://www.kitzi.com/
Buggrit Online - Observations about urban exploration. Minnesota. - http://www.buggrit.com/urbex.html
MN Urban Exploration - Searching and exploring abandoned buildings, historical places, tunnels, caves in the twin cities, Minneapolis and St. Paul, Minnesota areas. - http://groups.myspace.com/mnurbanexploration
Hollow Hills Urban Exploration and Photography - Urban exploration ezine with photography, including tunnels, caves, abandonments. Mainly in Minnesota with occasional visits to other parts of the USA. - http://hollow-hills.com
The Frozen Crystal Underground - Features news, guestbook, descriptions of buildings, tunnels and drains in the Minneapolis-St. Paul area. - http://www.frozencrystal.com