4 accidental optical illusions that made us question reality

It’s not hard to be a fan of optical illusions when they are so entertaining. And while some are mind-bogglingly designed and created, others are discovered by chance – just like these four accidental head spinners.

From floating boats to three-headed deer, for this piece we’ve picked the best and most confusing illusions not created by design. But if you’re a fan of brain teasers that have been carefully crafted, our roundup of the best optical illusions of all time is for you.

01. Floating Boat Illusion

When your boat takes drifting way too literally… Credit: Liam Ball

This utterly bizarre phenomenon has made everyone’s minds bend, as it appears as if boats are floating on the sea. We’ve covered the curious phenomenon of ‘Fata Morgana’ (which means ‘mirage’ in Italian) a few times, but we still find it fascinating.

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