Mark Miller
Upcoming Programs by Mark Miller

The Science and Psychology of Dark Retreat: Bringing Ancient Wisdom Into the Modern World
Also With Andrew Holecek
April 30 - May 2, 2027
In this light-polluted and highly distracted age, it’s more important than ever to find a way to stay centered and balanced. Dark retreat offers that way. An ancient spiritual and shamanic practice, dark retreat traditionally entails spending time — from hours to weeks — in a totally dark cabin or cave. It has been practiced […]