The world is full of incredible people whose stories and physical appearances defy belief. From historical figures with unusual talents to modern-day individuals who’ve broken records or defied biology, there are humans whose existence leaves us questioning what’s possible.

These are people whose extraordinary lives or appearances make them seem almost like fictional characters — but they’re real, and their stories are nothing short of fascinating.

Here are 20 People You Won’t Believe Existed Till You See Them, featuring individuals who are so extraordinary that they seem almost unreal: