» Akiyoshi's illusion pages    Many works of Akiyoshi Kitaoka. Designs around standard illusions crafted to maximise the illusory effect.    http://www.ritsumei.ac.jp/~akitaoka/index-e.html

» All In Fun Magic    Over 50 optical illusions and ambiguous drawings.    http://www.allinfunmagic.com

» Amazing Eyetricks    Gallery of pictures that will trick your eyes.    http://www.fun4all.dk/eyetricks/

» Amos Storkey - Visual Illusion of the Month    Collection of illusions and images chosen for novelty and distinction from the usual set found in most collections.    http://www.anc.ed.ac.uk/~amos/visualillusion.html

» Braingle's Optical Illusions    Dozens of optical illusions to tease your brain.    http://www.braingle.com/brainteasers/optical-illusions.php

» Cool Optical Illusions    A growing collection of optical illusions and eye tricks, including original illusion pictures and a collection of optical illusion desktop wallpaper.    http://www.coolopticalillusions.com

» Cut the knot: Visual Illusions    A collection of about 20 illusions - all accompanied by Java applets. Interactively changeable attributes help investigate which ones are in fact responsible for tricking the brain.    http://www.cut-the-knot.org/Curriculum/index.shtml#illusions

» Eluzions' Optical Illusions    Contains many optical illusions illustrating a wide range of visual anomalies and surprising optical effects. A free screensaver, posters, and educational explanations are also provided.    http://eluzions.com/Illusions/

» Eye Magic: Optical Illusions    Offers a number of optical illusions for viewing, as well as explanations on how they work.    http://www.harmsy.freeuk.com/eyemagic.html

» Eyetricks.com    Optical illusions, 3D stereograms and anaglyphs, fractals and brain teasers    http://www.eyetricks.com/

» IllusionWorks    A multimedia museum of optical and sensory illusions, with online demonstrations and explanations.    http://psylux.psych.tu-dresden.de/i1/kaw/diverses%20Material/www.illusionworks.com/

» Just Optical Illusions    Focus on geometric optical illusions by Gianni A. Sarcone and Marie J. Waeber    http://www.geocities.com/just_optical_illusions/

» Mchael Bach: Optical Illusions & Visual Phenomena    The stress here is on relative novelty and interactivity, in combination with a scientific background. Regularly updated.    http://www.michaelbach.de/ot/index.html

» Mindfake.com    A collection of optical illusions, online games, and other fun things.    http://www.mindfake.com

» NBCreations illusions    Illusions by Brincat Norbert for viewing and downloading.    http://nbcillusions.100freemb.com

» Optical Illusion Archive    A collection of optical illusion images, 3D street art, and flash demonstrations.    http://www.unoriginal.co.uk/optical1.html

» Optical Illusionist    Optical illusions, eye tricks, mind teasers and other puzzles.    http://www.optical-illusionist.com

» Optical Illusions    Amazing Pictures and Effects    http://www.panoptikum.net/optischetaeuschungen/opticalillusions.htm

» Optical Illusions Etc    A collection of various forms of optical illusions with explanations, including illusions conveyed through fractals, architecture, art, advertising and real life encounters.    http://illusionsetc.blogspot.com

» Optical Illusions?    Comments on the terms 'Optical Illusion' and 'Visual Illusion'.    http://www.anc.ed.ac.uk/~amos/opticalillusion.html

» Optical Magic Optical Illusions    A selection of common images.    http://www.goodtricks.net/optical-illusions-optical-magic.html

» Optical illusion    A large collection of optical illusions.    http://www.optical-illusion.org/

» Optillusions    A collection of riddles and optical illusions of many different forms with thumbnail browsing.    http://www.optillusions.com

» Planet Perplex    Selection of optical illusions, hidden images, impossible objects and upside down images.    http://www.planetperplex.com

» Skytopia - Dynamic Optical Illusions    A selection of old, new and original optical illusions. Many pictures are enhanced via the use of 3D and animation.    http://www.skytopia.com/project/illusion/illusion.html

» Subliminal Messages    Impossible figures, optical illusions, multimedia and 3D puzzles.    http://www.subliminalmessages.com/

» The McCulloch Effect - An On-line Science Exhibit        http://research.lumeta.com/ches/me/