This staircase makes four 90-degree turns, yet forms a continuous loop that would not be possible in the real world.
Optillusions is a blog with more illusions like this. Pretty dumb, yes, but good for a laugh. And each post is handy for sending your annoying relative who forwards things to you constantly. Link -via Metafilter
More like trolling like a fail. If it was like a boss, it would still been funny or cool. This is just sad, only entertaining for the stupid and of low intelligence.
I'm sorry, but I'm gonna call it like I see it.