In the English county of Somerset, Glastonbury Tor is a tor that is close to Glastonbury and is topped by the Grade I-listed, roofless St. Michaels Tower. The location is administered by the National Trust and is a scheduled monument. The Tor has a number of other enduring mythological and spiritual links. It is mentioned in Celtic mythology, particularly in narratives involving King Arthur. The Somerset Levels give way to a conical mound of clay and Blue Lias. It developed as a result of the er ... (Read More)