Dr. Chu Tsao Link Central

http://mysticways.wiki.zoho.com/Legal-Herbs-and-Ch....html

http://www.leary.com/

The official post-mortem Timothy Leary website.

http://www.maps.org/

The Multidisciplinary Association for Psychedelic Studies (MAPS) is a membership-based non-profit research and educational organization supporting psychedelic and medical marijuana research since 1986. We assist scientists to design, obtain approval for, fund, conduct and report on research into the healing and spiritual potentials of psychedelics and marijuana.

http://www.botany.hawaii.edu/era/PsychoPlants/

A process of discovery, experimentation, and utilization of biological organisms as a tool to alter the psycho-cultural experience of consciousness. The primary mission with the Psychoactive Biotechnology Project is to establish a public collection of local knowledge on innovation involving this technology.
University of Hawaii

http://www.burningman.com/

You drive slowly onto the playa, the 400 square mile expanse known as the Black Rock Desert. And there you’ve touched the terrain of what feels like another planet. You’re at the end and the beginning of your journey to Burning Man.

http://www.hofmann.org/

Throughout history people have used mind-expanding substances to explore consciousness and enhance their lives.
Our purpose at the Albert Hofmann Foundation is to gather the records of these endeavors and to further the understanding and responsible application of psychedelic substances in the investigation of both individual and collective consciousness.

http://www.coffeeshop.freeuk.com/

Your comprehensive guide to cannabis cafes and soft drugs in Amsterdam and the Netherlands. Coffeeshops for cannabis, smartshops for mushrooms, growshops for seeds and headshops for pipes.

You may want to check the visual Amsterdam Coffeeshop map as well.

http://www.neurosis.com/

Overwhelming senses with symphonic psychedelic masterpieces.
Check Tribes Of Neurot too.

http://www.somethingweird.com/

A whole world of bottom of the barrel celluloid wonders – the most amazing and Weirdest films of all time.

http://sprott.physics.wisc.edu/fractals/

nice collection of fractals @ sprott.physics.wisc.edu

http://www.ripoffpress.com/

The Fabulous Furry Freak Brothers factory store, proudly corrupting the minds of America and the World since 1969.
Classic Undergrounds, Cherry Comix, Robert Crumb, Demi the Demoness, Druuna, Fat Freddy’s Cat, Jabberwocky Graphics, Kevin J. Taylor, Mark Bode, Gilbert Shelton, Matt Howarth, Omaha the Cat Dancer, Savage Henry, The Underground Classics Series, Those Annoying Post Bros., Weirdo Magazine, Wimmin’s and Women’s Comix, X-Rated, Zap Comix…

http://www.lycaeum.org/languages/finnish/acid/data/psychexp.html

A manual based on THE TIBETAN BOOK OF THE DEAD, by Timothy Leary, Ralph Metzner & Richard Alpert.

http://en.wikipedia.org/wiki/8-Circuit_Model_of_Consciousness

by Timothy Leary, american writer, psychologist, campaigner for psychedelic drug research and use, and… computer software designer.