Vintage jigsaw puzzles are not just nostalgic entertainment; they also double as lucrative investments with impressive price tags. Certain puzzles — especially those stemming from limited production ...

A Century Old Optical Illusion Puzzle IQ Test: An optical illusion is a mind-bending, deeply fascinating, shape-shifting image of an object or drawing, or people that challenge the brain’s way of ...

Forbes contributors publish independent expert analyses and insights. Lois Alter Mark is an award-winning writer who covers travel. This article is more than 4 years old. Puzzles like "Copenhagen" ...

An optical illusion is a visual phenomenon in which our perception of an image differs from objective reality. This image is seen as a cosy, cluttered antique-style room. These optical illusions occur ...

A puzzle is perhaps best enjoyed during a vacation, when time is plentiful and relieving stress is the order of the day. Aficionados know that the choicest accommodations for puzzling are intimate, ...