The rusted creatures wait to be discovered in Prague's botanical garden.

One of the oldest, well-preserved water treatment facilities in all of Europe.

Microscopic scenes; some call it novelty, some call it art.

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

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

What looks like a crashed Zeppelin is actually a bright, airy reading room perched atop a modern museum.

The tunnel's elegant proportions keep you snug with no claustrophobia freak-out.

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

The history of occult science is turned into a creepshow at this lurid Prague tourist attraction.

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

Local folklore claims that this wall was not built for defense, but to provide labor during a time of famine.

The oldest garden in Prague, once part of an medieval orchard.

This walkway is so narrow it needs its own light to stop pedestrian traffic jams.

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

Walk through Czech history in Prague's largest graveyard.

The medieval "Bearded Man" relief still serves as a clever flood warning marker.

The hidden lair of an alchemist rediscovered in a 2002 flood.

A Jenga-style cylindrical tower of books that appears to go on forever.

This doorless 20th-century elevator doesn't stop or slow down.

The slender brass strip in Prague's Old Town Square was used to tell time from 1652 to 1918.

Macabre astrological automaton clock dating to the late 1400s.

Throughout this shopping mall are medieval ruins that were discovered during the mall's construction.

A significant example of Czech cubist architecture—a style you won't find anywhere else in the world.

A quasi-futuristic roof sits atop a medieval Bohemian monastery damaged during World War II.