Links

Organisations, which one can join to learn more about defence and underground structures, and take part in organised visits.

Subterranea Britannica

http://www.subbrit.org.uk/

Kent Underground Research Group

http://www.kurg.org.uk/

Friends of Dover Castle
http://www.dover-castle-friends.org/

Western Heights Preservation Society
http://www.dover-western-heights.org/

Palmerston Forts Society
http://www.palmerstonforts.org.uk/

Fortress Study Group
http://www.fsgfort.com/

Personal websites featuring pictures and information about underground and defence sites.

Kent History Forum
http://www.kenthistoryforum.co.uk/

Underground Kent
http://undergroundkent.co.uk

South Coast Martello Towers
http://www.martello-towers.co.uk/index.html

Fort Warden Heights
http://fortwardenheights.com/

Medway Lines
http://www.medwaylines.com

White Cliffs Underground
http://www.castlekas.freeserve.co.uk/home.htm

South East Defence Photos
http://www.southeast-defencephotos.com/

Portsdown Tunnels
http://www.portsdown-tunnels.org.uk/

ROC Remembered
http://www.rocremembered.com/

Bunker Pictures
http://www.bunkerpictures.nl/

Isle of Wight Forts & Batteries
http://www.fortsandbatteries.co.uk/

HMS Forward - South Heighton Tunnels
http://www.secret-tunnels.co.uk/

Underground History
http://underground-history.co.uk/front.php

The Verne Citadel, old photos
http://www.isleofportlandpictures.org.uk/Verne/

Here are some links to the websites of underground and defence sites, which are open to the public. Please check opening times as some sites can be seasonal, or have limited opening times.

Dover Castle & Wartime Tunnels (Kent)
http://www.english-heritage.org.uk/daysout/properties/dover-castle/

Stockport Air Raid Shelters (Manchester)
http://www.airraidshelters.org.uk/

Newhaven Fort (East Sussex)
http://www.newhavenfort.org.uk/

Landguard Fort, Felixstowe (Suffolk)
http://www.landguard.com/

Bembridge Fort (Isle of Wight)
http://islandupdate.org/bembridgefort.aspx

Fort Victoria (Isle of Wight)
http://www.fortvictoria.co.uk/

Needles Batteries (Isle of Wight)
http://www.theneedlesbattery.org.uk/

Brean Down Fort, Burnham-On-Sea (Somerset)
http://breandownfort.co.uk/

Hurst Castle
http://www.hurstcastle.co.uk/

Fort Amerst, Chatham (Kent)
http://www.fortamherst.com/

Fort Nelson, Portsmouth (Hampshire)
http://www.royalarmouries.org/visit-us/fort-nelson

Southsea Castle, Portsmouth (Hampshire)
http://www.southseacastle.co.uk/

New Tavern Fort (Magazines), Gravesend (Kent)
http://www.gravesham.gov.uk/index.jsp?articleid=960

Cabinet War Rooms (London)
http://cwr.iwm.org.uk/

Crownhill Fort, Plymouth (Devon)
http://www.crownhillfort.co.uk/

Tilbury Fort (Essex)
http://www.english-heritage.org.uk/daysout/properties/tilbury-fort/

Nothe Fort, Weymouth (Dorset)
http://www.nothefort.org.uk/

Eastbourne Redoubt (East Sussex)
http://www.eastbournemuseums.co.uk/

Fort Paull, Hull (Yorkshire)
http://www.fortpaull.com/ccm/navigation/home/

Online mapping and research websites.

Bing Maps

http://www.bing.com/maps/

Google Maps
http://maps.google.co.uk/

National Archives
http://www.nationalarchives.gov.uk/

Elgin - Highly detailed Ordnance Survey mapping
http://www.elgin.gov.uk/