Tilt-shifting is a nice little ‘technique’ that makes an ordinary photo look like it was a photo taken of a miniature.

Originally it was a technique used in old school photography, then some people discovered how to mimic it in Photoshop, and now someone’s turned it into a webtool where you can easily upload a pic and turn it into a tilt-shift with just a few clicks. And so tiltshiftmaker.com is born.
Results seems to be largely varying depending on your choice of source picture.

I liked this one, it’s in the examples found on the site: