Reddit user S1moneyvG took this interesting photo of a wall and the sea in Corfu, Greece
Even when you know where they are, they’re still tricky to spot!
Victoria Skye’s interpretation of the famous Cafe Wall Optical Illusion is a doozy
Christopher Nolan explains his obsession with Shepard Tones—layered sound waves that simulate a constant ascent in tone—to create a sensation of building tension
Either that or it’s possessed
Can you solve the missing square puzzle?
Often categorized as surrealistic, they differ as the images are deliberately planned and result from conscious thought