Labyrinths date back thousands of years and have been used in many cultures. During Medieval times, many Christian churches incorporated labyrinths into floor designs. Today garden labyrinths are getting new attention at places of worship, medical centers, conference centers, parks, colleges and even backyards. World Labyrinth Day is Saturday, May 5, so this seems a good time to introduce you to some local labyrinths: one at Unity Church in Buffalo, one at the Chautauqua Institution and one in the yard...