- English Heritage http://www.english-heritage.org.uk/default.asp English Heritage exists to protect and promote England's spectacular historic environment and ensure that its past is researched and understood.
- Friends of World Heritage http://www.friendsofworldheritage.org/ World Heritage sites belong to all of us – to enjoy, experience, and protect. Through Friends of World Heritage you can help protect the natural and cultural wonders of the world; explore the majesty of these places, recognized for their “outstanding value to humanity” under UNESCO’s World Heritage Convention; and experience for yourself the marvels of our World Heritage by visiting the sites through Expedia.com’s special offerings.
- Hadrian's Wall World Heritage Site http://www.eng-h.gov.uk/ArchRev/rev95_6/hadrian.htm
- Natural England http://www.naturalengland.org.uk/ Natural England brings together English Nature, the Countryside Agency and the Rural Development Service. Natural England is here to conserve and enhance the natural environment, for its intrinsic value, the wellbeing and enjoyment of people and the economic prosperity that it brings.
- Natural England http://www.naturalengland.org.uk Natural England works for people, places and nature to conserve and enhance biodiversity, landscapes and wildlife in rural, urban, coastal and marine areas.
- Northumberland National Park http://www.northumberlandnationalpark.org.uk
- Portable Antiquities Scheme http://www.finds.org.uk The Portable Antiquities Scheme is a voluntary scheme to record archaeological objects found by members of the public in England and Wales. Every year many thousands of objects are discovered, many of these by metal-detector users, but also by people whilst out walking, gardening or going about their daily work. Such discoveries offer an important source for understanding our past.
- RSPB http://www.rspb.org.uk The Royal Society for the Protection of Birds
- The National Trust http://www.nationaltrust.org.uk/main/ The National Trust works to preserve and protect the coastline, countryside and buildings of England, Wales and Northern Ireland.
- UNESCO http://whc.unesco.org/ United Nations Educational Scientific and Cultural Organisation