49.8887°N, 6.3509°W.
Troy Town Maze, St Agnes is a prehistoric or medieval stone-formation labyrinth in Isles of Scilly, Cornwall, England. The design is a classical 7circuit layout with 7 circuits, 8 walls, approximately 5 metres in diameter, built of stone. Documented age: 1729 AD (surface), possibly Viking age (subsurface) (800 - 1729 AD). Current condition: restored. Built in 1729 by Amor Clarke, son of the St Agnes lighthouse keeper, the Troy Town maze on the Isles of Scilly appeared to be an 18th-century curiosity — until a 1988 restoration revealed the stones had been placed over an older Viking-era labyrinth, pushing the site's history ba... Documentation sources: Saward 2003. The labyrinth pattern occurs nowhere in nature; every documented instance traces back to a human hand.
The labyrinth is one of several hundred sites of this type catalogued globally; each preserves the same unicursal walking-pattern with regional variation in scale, material, and date.