This one will make you dizzy.

Try focusing on just the center circle while moving your head.

What do you see?

 

A duck or a rabbit?
Look at the red lines, do they appear to be wavy?
Behold! The Impossible Triangle.

Do you see anything in this black&white image?

 

 

Do you see the dog?

See the triangle?

 

It actually doesn't exist. The angles on the three images, however,
give the appearance that it does.

Read the passage on the left

 

Did you catch the two "The"s? Most people miss this obvious redundancy.