New found Website: Mighty Optical Illusions
This picture is just one example of the many optical illusions I found on the linked page. This particular one is of 3D painted rooms.
The rest of the site is cool, they post pictures of optical illusions. Like this one:
another site that is similar:
it didn’t like my link heres another try:
http://www.wonderfulinfo.com/lphoto/rightang.htm