So many images are Photoshopped these days that it's hard to know what to believe anymore. But you don't need to be an editing wizard to mess with people's perceptions of reality. All you need is a camera, some willing friends and an eye for obscure camera angles. And as you can see from this list compiled by Bored Panda, when those three simple ingredients are combined correctly, the end result can be just as mind-boggling as anything done in Photoshop.
Have you created your own optical illusion without the use of editing software? Then show the world a different perspective by sharing your pictures here, and don't forget to vote for your favorite!