Mind-Bending Optical Illusions

Where do the stairs lead? (Wikipedia)

Black or white? (Wikipedia)

Believe it or not, the orange circles are the same size!   (Wikipedia)

A great illusion of depth.  (Unreality Magazine)

Make it stop moving!

Keep your eye on that center and watch the disappearing act! (Unreality Magazine)

Can you make these circles stop pulsing?  (Unreality Magazine)

The illusion of motion easily created through a repeating pattern. (Unreality Magazine)

What's going on here?  (Unreality Magazine)

Can you make the bars stop sliding?  (Unreality Magazine)

What makes these circles rotate? (Unreality Magazine)

The most mind-bending illusion of them all.  If you like these images, you'll find tons of other fun games, slideshows, and illusions at Unreality Magazine's Web site, <a href="http://www.unrealitymag.com" target="_blank"><b>www.unrealitymag.com</b></a>.