Fan site for an odd collection of tunnels located under Liverpool.

Picture based documentation of urban explorations in the east and south of the UK. Includes a list of asylums, churches, mills and other site types visited.

Industrial ruins in the UK.

A site dedicated to the county-owned British mental hospitals built between 1810 and 1948.

A community and forum for urban explorers in the UK.

A guide to London's abandoned tube (underground public transit) stations. Also includes a section on closed overground lines.

Visit London and stand in its presence before it becomes a mall for the middle-classes in 2009.

Exploring, documenting and researching forgotten structures hidden around the UK. This site specializes in derelict Victorian lunatic asylums, including the largest collection of material devoted to the legendary Cane Hill.

Beneath the rule a country hides. UK places and links.

Nurse Payne's urban exploration.