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It takes people an average of 26 seconds to spot the red-eyed mummy. Do you dare to give this brain…

Nature photographer Mohan Thomas took a photo of two leopards, but the small cub is hard to spot. C…

Whether it's finding hidden Santas in a video conference call or spotting Rudolph in a sea of reind…

This Christmas brainteaser apparently takes the average person 63 seconds to solve.

Valentine's Day is Sunday, but plenty of us lost that loving feeling during what seemed like the lo…

Insider rounded up 23 riddles and brainteasers with simple answers that anyone could get wrong.Some…

Hungarian artist Gergely Dudás creates mind-boggling puzzles containing hidden objects or details, …

In this brainteaser, readers are challenged to find a grumpy person in a crowd of cheerful Christma…

One puzzle takes an average of 12 seconds to solve, and another takes 24 seconds. However, there's …

Whether it's finding the hidden jack-o' lantern or the witch's broom, these brain-teasing puzzles w…

The jack-o'-lantern is hidden in a sea of spooky pumpkins and fall leaves.

The two images show people exercising, picnicking, and sunbathing at a park.

Somewhere among this scene of beachgoers, there's a hidden ice cream cone.

In this brain-teasing puzzle, a red grill is hiding among burgers, ribs, and steaks.

Wildlife photographer Sarosh Lodhi was photographing zebras in Maasai Mara, a game reserve in Kenya…

A study claims that your age affects what you see in the classic optical illusion depicting both a …

These two images of a beach party are identical except for seven tiny differences. Can you find the…

Artist Gergely Dudás specializes in colorful illustrations containing hidden details. Can you spot …

There are 195 countries in the world, all with their own individual flags that represent their hist…