https://www.nationaltrust.org.uk

http://findmypast.co.uk/                     Good for family History

http://www.english-heritage.org.uk/

http://www.hrp.org.uk/                         Historic Royal Palaces

http://www.imagesofengland.org.uk/   A useful photographic 

  archive

http://www.openhouselondon.org.uk/  Open Weekends in 

  September

http://www.enfieldsociety.org.uk/

http://www.rspb.org.uk/

http://unesco.org.uk/                            Check out World Heritage Sites

http://nationalarchives.gov.uk/              Useful resource for 

   Historians


http://www.bnta.btck.co.uk/              Barnet Association


https://www.vam.ac.uk/                    V & A Museum


http://www.britishmuseum.org/


https://www.historicengland.org.uk/  Information on listed 

  buildings


http://viewfinder.historicengland.org.uk/ Photographic Archive


http://www.britainfromabove.org.uk/  Aerial Photographs