Wow. Every single one of these threw my eye of perception when i first looked. I bet you will be tripped out by taking a look at how perception can be illusion sometimes!
No these we not Photoshopped, they were taken by ordinary people just like you and I. In the photos below, the people who took them pulled off some crazy and accidental optical illusions that will make you look twice, maybe even three times! Check them out. Which one make you think the longest? [via FStoppers.com]