The Arthurian Centre in Camelford features an exhibition that tells the legend of King Arthur with some fine historic examples of art to make the legend come alive. The centre also has a legendry item known as King Arthur's stone that was discovered in 1602 but the inscription dates it back to the 6th Century.
Contact details are as follows.
Arthurian Centre
Slaughter Bridge
Camelford
Cornwall PL32 9TT