The Foundation for Shamanic Studies - Founded by Michael Harner, it is the single greatest resource for shamanism in the western world.

The Council on Spiritual Practices - A collaboration of scientists, and scholars dedicated to making sacred experiences more available.

MAPS - An organization dedicated to the study of psychoactive substances and sacred plant use.

LILA - Another great resource for shamanic exploration throughout the world.

Nativeweb.org - A site devoted to educating the world about indigenous people and trying to preserve their ancient cultures.

Deoxy.org - A magnificent site devoted to the consciousness revolution. Great arlticles on shamanism.

The Lycaeum - An incredible library of information regarding shamanism and medicinal plants.

Erowid.org - Another amazing source of information regarding the ancient relationship between humans and psychotropic plants.

Levity.com - A wonderful site containing literature pertaining to spiritual adventure and experimentation.

Ethnobotany - Yage.net - Pages and pages of information relating to sacred plant use.

Ayahuasca Forum - A global discussion board for ayahuasca with everything from planting the seeds to keeping the diet.

Yage.net - A library of information pertaining to the preparation and use of ayahuasca, also known as yage.

Dream Change - A compassionate organization that seeks to preserve the Amazon Rainforest and its indigenous cultures.

Tropical Plant Guide - A great collection of tropical plant information with photos and biological and chemical data.

Amazon Alliance - defending the rights, territories and environment of indigenous and traditional peoples of the Amazon Basin