Humans are masters of pattern recognition -- even when one doesn't exist. The psychological phenomenon is called pareidolia and it's been developed over many years of human evolution. So when a Hawaiian tour company called Paradise Helicopters captured this video of an emoticon-like view of Kilauea's crater, it became an internet sensation.
Click on for more mysterious examples of pareidolia in nature. (Or if you prefer, check out these amazing examples of Mars Illusions and Pareidolia).
Credit: YouTube screen capture
h/t ABC News