We've seen so many photos blow up on social media due to the seemingly impossible optical illusions found in them. From Einstein vs. Monroe to mind-bending illusions to invisible animals, it feels like we've already seen them all.Looks like we've got another one for you here today, and this one is guaranteed to have you scratching your head - or even covering your eyes.Mattjcarkeek24In the photo, we see a dog. Or at least, we think it's a dog... because they have heads usually, right? According to what we've seen across Imgur and Reddit, others are just as confused as we are.After amassing hundreds of thousands of views across, people still couldn't put their figure on exactly what was going on in this photo:Still confused? Check out the video above for a full explanation!