Group of photographers who post their urban exploration photographs. US and Canadian locations.

Urban exploration photography and history from Rust Belt areas in the Great Lakes region.

Pictures of county jail buildings 50 years old, nothing modern. It must be a "county" jail, not city or federal. Building history is welcome.

Troy Paiva's collection of night photography of the abandoned roadside west.

Photoblog with some write ups about explorations in Mexico.

A web site dedicated to the hobby or ubran exploration with a particular focus on photos of abandoned buildings.