The Chalice Well, Glastonbury
The Chalice Well has been associated with healing and with the Holy Grail for many years. According to legend Joseph of Arimethea placed the cup that held the blood of Christ into the well. The waters run red with Iron Oxide another association with blood.
A well-publicised cure occurred in 1750, when a local man named Mathew Chancellor dreamt that if he drank the waters of the well every successive Sunday, he would be cured of Asthma. He carried out the actions of his dream and his asthma cleared up.