When people think of intelligent animals, they immediately think of dolphins, elephants, and chimpanzees. But one of the most intelligent problem-solv.

Prepare to be AMAZED by this viral video of an octopus solving a maze. Sashimi the Octopus even shocked his owner, Mark Rober, with the feat.

Octopuses are fascinating in more ways than one. Beyond their impressive intelligence, they also have other unique features like three hearts, an amazing ability to camouflage, and a central brain ...