Double Meanings
Delicate Arch
Lakeside Mirage
Buildings
How many Llamas?
Eight of Diamonds
Duck/Rabbit
Bridge/Boats
Good/Evil
Teach/Learn
Optical/Illusion
Me and You
Cubes
Staircase
Faces
More Faces
More Faces
More Faces
More Faces
Face of Christ
Another Face
Boy / Girl
Boy and Girl
Margaret Thatcher
Einstein
Cube
Jigsaw Puzzle
Deer
The Word lift
The Word Liar
Skull
All is Vanity
Indian or Eskimo?
Eye Test
How Many Tigers?
What is it?
Impossible Objects
Ladders and Ropes
Box
Another Box
Another Box
The Architect
Reverse Opposite
Thiery's figure
A Washer
Elephant
Stairs
Penrose Triangle
Dice Triangle
Trident
Another Trident
Planks -- Vertical
Planks -- Horizontal
Quadrilateral
Rare Construction
Center Beam
How Many Posts?
Illusions with Rectangles,
Lines, Circles, and Ellipses
Square & Circle
Poles
Circles
More Circles
More Circles
More Circles
Toilet Paper Roll
Turning Circles
Lines
More Lines
More Lines
Pulsating Star
Tabletops
Petals
Ellipses
More Ellipses
Rotating Snakes
Spiral
Miscellaneous Illusions
Disappearing Dots
Sentence
Ball
Leaning Towers?
Photograph of a Girl
Another Photograph of Girl
Open Door
Links
Bach's Optical Illusions
Optical Illusions 4 Kids
Stereograms
Escher Pictures