Photos: Bernard Gagnon · CC BY-SA 3.0 (1, 3) · Rebecca Nestle · CC BY-SA 4.0 · Michael Caven from Stockholm, Sweden · CC BY 2.0
The outside walk is free and open all hours. Yoga on the labyrinth runs Tuesdays at 6:15 and Saturdays at 9, and the cathedral says to arrive 20 minutes early.