optical illusions

The Crooked House, in Himley, West Midlands, has attracted fans from the four corners of the world since it became a pub in the 1830s. And it's all down to its odd structure and crooked bar. Said to be a favourite of visitors, the building slants to the left and is decorated with crooked...

25 Photos You Need To Really Look At To Understand http://www.buzzfeed.com/awesomer/photos ... understand It's amazing how some of these accidents turned out, and would have loved to have seen the reactions of the people who took them!

I am suprised this kind of thing hasn't got its own thread (or I've missed it) as cities in the air come up occasionally: Source Link is dead. The MIA news story (quoted in full above) can be accessed via the Wayback Machine...

I love a good optical illusion, and think they deserve their own thread. So this is it! Here's a damn jollly good page of illusions ... I especially like the wheels that appear to rotate as you move your head towards the monitor ... absolutely mental...

(Copied / transplanted from the Weird Weather thread) Here's some nice piccies of some of these phenonoma. Jane. Here's the relevant text and a photo from the cited webpage ... Yet another colorful and rare phenomenon, the Brocken spectrum (also know as a glory), here a picture taken in...