Step into a cartoon at this Seoul café that aims to evoke a two-dimensional scene.

Warsaw's fantastically preserved gasworks...almost.

The final resting place of the last "gypsy king" of Poland.

This enormous 32-foot painting depicts Poland's greatest medieval battle in glorious detail.

Hans Christian Andersen for the postmodern world.

An ancient Viking runestone hidden in plain view in Stockholm's old town.

No one knows who created the statues or if they are arranged properly—let alone the artwork's real name.

A whimsical brother of the nearby Fallen Angel statue takes the falling part quite literally.

In the fictional world of Kcymaerxthaere, celestial wonders marked a portal to a powerful route of travel at this site in Madrid, Spain.

Commonly acknowledged as the only public monument to the Devil himself.