This is an impossible object in which the senses play tricks with the reality.

This print is significant for being the first Escher drawing to use a true impossible object.

The doorway leads to a strange land, where impossible objects exist.

When things go well, the notebook seems almost magical, like an impossible object.

She has defined her play as "an impossible object," which has a reality only on stage and not in life.

The technical name for this impossible object is the 3-sphere.

In the twentieth century, artists began to play with perspective by drawing impossible objects.

The most well known impossible object is the ship in a bottle.

His work did much to draw the attention of the public to impossible objects.

It shows a plausible-looking building that is actually an impossible object.