| Wasiwaska Center of studies for ayahuasca, the sacred brew of Amazonian shamans. Includes information about the center, and their seminars and presenters. Located in Brazil. | |
| Plot55.com Provides information on the cultivation, preperation and use of entheogenic, hallucinogenic and psychoactive plants. | |
| Peyote51 Features information on the history and chemistry of this plant, and links to related sites. Also offers for sale peyote cacti. | |
| The Mad Hatter Guide to entheogen use; includes essays and information on drug laws and suppliers. | |
| Entheogen Dot Online community, and an information resource with a focus on shamanic plants. | |
| Council on Spiritual Practices - Entheogens The purpose of the Entheogen Project is to systematically gather knowledge about the immediate and long-term effects of entheogen use. Includes essays and an annotated list of topical books. | |
| A Brief History of Peyote The divine cactus in historical context. | |
