The oldest operating pharmacy in the world features 800-year-old recipes.

Dedicated to the works of the legendary special effects artist.

A series of playful yellow penguins share a serious message about the environment.

Despite attempts by local police to discourage it, Beatles-inspired graffiti has been a means for artists to air grievances for decades.

This artificial cave looks like something out of a fairytale.

A giant interactive periodic table with real samples of the elements.

A Baroque mansion with ties to legendary magicians and alchemists.

The risqué mixed-media sculptures are supposedly a metaphor for Czech politics.

Two stunning 17th-century libraries and a cabinet of curiosities.

This automated sculpture of two men peeing will spell out text messages with their micturition.

Countless grotesque faces stare out from this eerie Prague art wall.

The palace window through which Protestant nobles flung two Catholic regents, thus sparking the Thirty Years' War.

A steampunk-styled three-floor factory churning out art, activism, and electronic beats.