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

A massive, abstract lookout tower providing a panoramic view of Prague.

One of the famous Czech artist's lesser-known Prague installations appears to be a glowing fetus affixed to a drainpipe.

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

A sculpture of the iconic East German car on four legs is a tribute to those who traveled to Prague seeking asylum.

This spooky statue sits outside a famous Prague theater.

A turn of the century building boasting some of the most beautiful art nouveau architecture in Prague.

A saintly relic hidden in a Prague church basement.

An existential riddle in the world's largest ancient castle.

Street artists transformed an abandoned air vent into the beloved Star Wars robot.

This Prague museum collects brutalist relics and memories from the country's former Soviet rule.

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

A collection of anatomical samples from one of the first anthropologists to suggest that humans reached North America by crossing the Bering Strait.

This artificial cave looks like something out of a fairytale.

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

Walk through Czech history in Prague's largest graveyard.

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

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

Where visitors can play more than 150 retro arcade games.

Extremely famous in his native country, this Cracovian painter is all but unknown beyond Polish borders.

At first glance, this area seems like just another city park, but the lush landscape hides a dark past.

Beneath Kraków Old Town's main square lies a hologram-filled medieval market vampire graveyard wonderland.

A collection of modern and vintage pinball machines housed in the cellar of a 15th-century building.

Poland's oldest surviving university building holds a wealth of historic science instruments including some used by Copernicus.