Fraser's Spiral (aka the twisted cord) Illusion - It looks as if this is a spiral, but in fact it's a series of circles. First presented by Fraser (1908). Kitaoka - Concentric gray circles appear to be spirals
"Spiral Warp": Concentric rings appear to be spirals
"Tornado" (Reversed Spiral Illusion): Concentric circles appear to be spirals, which rotate counterclockwise to approach the center
"Hypnotic Ray": Red or purple concentric rings appear to be spirals
Colors Become Alive (a fractal illusion billboard for the Sony Bravia TV)
Fraser-Wilcox Illusion
Kitaoka's 'Rotating Snakes'
Kitaoka's Rotating Snakes
"Color-Coated Chocolates": Each ring of chocolate balls appears to rotate clockwise or counterclockwise
"Cloud Of Sand": Concentric rings made up of squares appear to be interwining
Splitting Illusion
'Saturn' (Kitaoka)
Kitaoka Bulge - The figure consists of vertical or horizontal components but appears to bulge out
Expanding Golden Cushion (Akiyoshi Kitaoka)
Ouchi Illusion - The inset appears to move
'Mirror Ball' - The inset appears to scintillate
'Earthquake' - The surround appears to fluctuate
Scintillating Grid Illusion - black flashes (illusory black dots) appear to scintillate in white circles.
Hermann Illusion: you will see black blobs at the white intersections if you move back and forth.
Moving Waves Illusion
Gold Mine - The image appears to wave
'Three Streaks Of Falls' Moving Chessboard Illusion
Cafe Wall Illusion (the red lines are horizontal but appear to tilt)
Waterways Illusion (Akiyoshi Kitaoka): The blue squares appear to tilt alternately, though they are are parallel to each other.
Ten Golden Squares - The ten squares are of the same color but appear to be different from each other
Adelson's Checkers Shadow Illusion: The squares marked A and B are the same shade of gray
Columns (Sandro del Prete)
Original by István Orosz
Terrace (David MacDonald)
The Inverted Chessboard (Sandro del Prete, 1975)
Checkmate (Whitehurst)
Impossible Cage (Jos De Mey)
Oscar Reutersvard's Prototype of the Devil's Fork
Devil's Fork - D.H. Schuster, 1964
Oscar Reutersvard's Impossible Triangle
Impossible Cube
Impossible Rings
Impossible Hollow Hexagon
Escher's Ants - Moebius Ring
GINEUS
L'Egs-istential Quandary (Roger Shepard)
Man Playing Horn... Or Woman's Silhouette?
Original by Hill (1915)
Forever Always (Octavio Ocampo)
The Generals Family (Octavio Ocampo) - There are nine faces in this picture!
Horse and Frog
Frog and Horse
Find The Baby
Family Of Birds (Octavio Ocampo)
Mouth of Flower (Octavio Ocampo)
Pintos (Bev Doolittle)
Valley of the Tiger (Donald Rust)
11 (!) Tigers (Gardner)
Medieval Moonlight (Rob Gonsalves)
High Park Pickets (Rob Gonsalves)
Roots And Wings (Rob Gonsalves)
Tree House In Autumn (Rob Gonsalves)
Ladies Of The Lake (Rob Gonsalves)
The Sun Sets Sail (Rob Gonsalves)
Tributaries (Rob Gonsalves)
Bush Monkeys by Chris Savido
