Reference 31815 28 miles (45km) from London
More pictures... Disused gravel pit and quarry, Berkshire.

Reference 31110 Central London
More pictures... Underground car park, central London.

Reference 882 30 miles (48km) from London
More pictures... Complex of underground passages, Buckinghamshire.

Reference 48264 20 miles (32km) from London
More pictures... A relic of the Cold War: an underground nuclear bunker complete with control room, communications rooms, hospital, offices, telephone room, engine room and extensive outside areas including barns and trenches. Essex.

Reference 48902 South east London
More pictures... Decommissioned cold war nuclear bunker, south east London. Currently used mainly as a paintball centre.

Reference 6781 11 miles (18km) from London
More pictures... Cave complex in Kent.

Reference 49294 Central London
More pictures... Vaulted night-club, central London. (updated images 2012)

Reference 37659 Central London
More pictures... Preserved London underground station - no longer in use - with original stairs, passageways and platforms, and a (moveable) period train.

Reference 31320 29 (47 km) from London
More pictures... Large hangar with tank testing warehouse inside. Access to an underground tunnel complete with steam pipes and industrial 'Lara Croft esq' area. Surrey.

Reference 30824 West London
More pictures... Film-friendly victorian gothic church, central London, with extensive crypts.