Cut the knot: Visual Illusions
cut-the-knot.org
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.
Just Optical Illusions
geocities.com
Focus on geometric optical illusions by Gianni A. Sarcone and Marie J. Waeber
Optical Illusions Etc
illusionsetc.blogspot.com
A collection of various forms of optical illusions with explanations, including illusions conveyed through fractals, architecture, art, advertising and real life encounters.
Optical Magic Optical Illusions
goodtricks.net
A selection of common images.
Planet Perplex
planetperplex.com
Selection of optical illusions, hidden images, impossible objects and upside down images.
Optical Illusion Archive
unoriginal.co.uk
A collection of optical illusion images, 3D street art, and flash demonstrations.
Eye Magic: Optical Illusions
harmsy.freeuk.com
Offers a number of optical illusions for viewing, as well as explanations on how they work.
IllusionWorks
psylux.psych.tu-dresden.de
A multimedia museum of optical and sensory illusions, with online demonstrations and explanations.
Amazing Eyetricks
fun4all.dk
Gallery of pictures that will trick your eyes.
Mchael Bach: Optical Illusions & Visual Phenomena
michaelbach.de
The stress here is on relative novelty and interactivity, in combination with a scientific background. Regularly updated.
Optical Illusions
panoptikum.net
Amazing Pictures and Effects
Optical Illusions?
anc.ed.ac.uk
Comments on the terms 'Optical Illusion' and 'Visual Illusion'.
Eluzions' Optical Illusions
eluzions.com
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.
Optical Illusionist
optical-illusionist.com
Optical illusions, eye tricks, mind teasers and other puzzles.
Akiyoshi's illusion pages
ritsumei.ac.jp
Many works of Akiyoshi Kitaoka. Designs around standard illusions crafted to maximise the illusory effect.
NBCreations illusions
nbcillusions.100freemb.com
Illusions by Brincat Norbert for viewing and downloading.
All In Fun Magic
allinfunmagic.com
Over 50 optical illusions and ambiguous drawings.
Subliminal Messages
subliminalmessages.com
Impossible figures, optical illusions, multimedia and 3D puzzles.
Optillusions
optillusions.com
A collection of riddles and optical illusions of many different forms with thumbnail browsing.
Amos Storkey - Visual Illusion of the Month
anc.ed.ac.uk
Collection of illusions and images chosen for novelty and distinction from the usual set found in most collections.
Free Optical Illusions Website
illusion-optical.com
A selection of optical illusions including an optical illusion quiz.
Cool Optical Illusions
coolopticalillusions.com
A growing collection of optical illusions and eye tricks, including original illusion pictures and a collection of optical illusion desktop wallpaper.
Eyetricks.com
eyetricks.com
Optical illusions, 3D stereograms and anaglyphs, fractals and brain teasers
Mindfake.com
mindfake.com
Site contains a collection of optical illusions, online games, and other fun things.
Optical illusion
optical-illusion.org
A large collection of optical illusions.
Optical Illusions for Kids
indianchild.com
Offers a collection of illusions, brain teasers, and puzzles for children.
Skytopia - Dynamic Optical Illusions
skytopia.com
A selection of old, new and original optical illusions. Many pictures are enhanced via the use of 3D and animation.