Optical illusions are older than you think. The first optical illusions date back to 20,000 BC and took the form of cave sculptings. Nowadays they are found all over the place – on screens, in books ...

We here at Bored Panda have compiled a list of times when people got freaked out by everyday things and while some of them are understandably scary, others are just plain hilarious. Scroll down below ...

Everyone loves an optical illusion — even if they leave us completely stumped — and they're all around us in the natural world. From an underwater waterfall in the Indian Ocean to a surrealist scene ...