12 strange photos that will make you look twice

Sometimes, your brain just doesn't believe what your eyes are seeing. When that happens what's occurring is commonly known as a optical illusion.

While Photoshop has made it easy to manipulate images, there's still nothing like a good-ol' photograph taken at just the right angle to deceive your mind and create an alt-reality.

Check out the images ahead to see some truly unbelievable scenarios - and get answers to what's actually occurring.