There was one on the floor of the cathedral in Chartres France that they uncovered...supposedly put there in the Middle Ages. Pagans/newagers have taken wonderful Christian symbols and mutated them for their own purposes.
Where I live, there are labryrinths in Roman Catholic churches and other institutions. However, the bulk of labyrinth activity (including "labyrinth festivals") is in Episcopal and ulitra-liberal protestant churches. "New Agers" attend festivals at those places, and for all I know may make up the bulk of attendees.
Labyrinth-walking without orthodox fath and God's holy Word and Sacraments is less than useless!!!!