Non Explore Links that may be of interest
Tours and Information
Subterranea Britannica - They organise trips to rarely seen places for their members.
Openhouse Weekend - An organisation that organises various buildings and sites opening up to the public for free one weekend in September.
Websites of Interest
David Moore Photography - David Moore was granted access to a number of off limits areas, including the top secret Pindar bunker, beneath the MOD As well as Paddington Green Police Station, London's most secure police station.