Read the transcript of a March 9, 2001, Religion & Ethics Newsweekly program on Celtic spirituality, which discusses the Celts’ sense of nature as “the theatre of divine presence.”

Read a Beliefnet.com article by Kimberly Winston about the rapid growth of Wicca and other Earth-based religions.

The Witches’ Voice lists outdoor rituals and festivals around the country, including a state-by-state section.

Selena Fox is a high priestess and senior minister of Circle Sanctuary, a Wiccan church and pagan resource center near Mount Horeb, Wisconsin. Wicca is a neopagan faith that relies heavily on nature and a belief in some forms of magic and the supernatural.

The Lilly Foundation’s National Clergy Renewal Program provides funding for pastors to “take an extended break for renewal and refreshment.” Contact program director Robert C. Sale.

The Rev. Lizette Larson-Miller, a professor at Church Divinity School of the Pacific in Berkeley, Calif., wrote an article in the May 23, 2005, edition of America magazine (subscriber-only) titled “Holy Ground: Roadside Shrines and Sacred Space.” She identified five general characteristics of roadside shrines, and she ponders what liturgical churches might learn from this widespread trend.

Read a New York Times review of Roadside Religion: Cross Country. Contact Beal.

Tom Bruce is a psychologist, thanatologist and author who teaches a class in death and dying at Sacramento City College in California.

Cari Leversee is director of Thresholds Home Funerals. Founded in 2003, Thresholds is a non-embalming funeral establishment in San Diego, Calif. It has offered classes on “reclaiming death as a sacred event.”