People were invited to suggest how artist John Pugh could illustrate the story of Ashland in a 100-foot-long mural on the ...

Optical illusions are all over the internet, but it's rare to see them cropping up in the real world. Street artist Vile is ...

The pyramid appears in postcards, films and murals, and punctuates the city ... told SFGATE that an optical illusion called the Zöllner illusion is responsible. According to Encyclopedia ...

So, what did you make of the optical illusion? Drop your thoughts below ... may seem like a straightforward picture of a stone wall. But, despite appearances, there's actually something else ...