Example image of eyePlorer eyePlorer map for 'Entheogen': Psychoactive drug Religion Shamanism Spiritual Plant Chemical synthesis Art Meditation Psychedelic therapy Psychonaut Tool Transcendence (philosophy) Recreational drug use Prohibition (drugs) Ambrosia Ayahuasca Kykeon Peyote Soma Tabernanthe iboga Religious and spiritual use of cannabis Ritual Ibogaine Mescaline Natural product Psilocin Psilocybin Salvinorin A Bhang Carl A. P. Ruck Ethnobotany Jonathan Ott Mythology Neologism R. Gordon Wasson Richard Evans Schultes Psychedelic Aldous Huxley The Doors of Perception Humphry Osmond Insanity 1960s Popular culture Psychosis Harvard Psilocybin Project Marsh Chapel Experiment Timothy Leary Walter Pahnke Blind experiment Johns Hopkins University