Information on entheogens, psychedelics, and hallucinogens including traditional, spiritual, and responsible use, chemistry, effects, experiences, images, research, legislation, media coverage, bibliographies and links.

Homepage of the inventor of LSD. Contains articles, information about projects, reviews, and a virtual museum tour.

Information, treatment, and forums for sufferers of HPPD (Hallucinogen Persisting Perception Disorder), also known as flashbacks, which happens to some users of psychedelic drugs.

Information and message boards for people with Hallucinogen Persisting Perception Disorder (flashbacks).

The Psychedelian church founded in 1965 by Art Kleps. Includes text of "Millbrook: A Narrative of the Early Years of American Psychedelianism" and offers the book for sale.

Menu of articles, research papers, books, and essays on LSD, peyote, psilocybin, and the use of psychedelic drugs in research, therapy, religion and personal growth.

Articles on psychedelic mushrooms and DMT (with field notes on DMT experiences); LSD and Ketamine trip reports; preservation of dried psilocybin mushrooms; links to other documents concerning psychedelics.