Naturally formed rock city in Poland.

St. Mary's features one of the most spectacularly decorated cathedral interiors in all of Europe.

Communism's topsy-turvy effect on Poland has been brought to life in this wacky tourist trap.

A program of Communist glamour in post-Stalin Poland is preserved in this colorful museum.

This Polish cave has housed a dragon, a brothel, and an enduring legend.

An underground city of salt.

Straight out of a nightmare, barcode-faced babies climb up and down Prague's television tower.

A surreal statue honoring Prague's favorite literary son.

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

Looming communist pillar with a Czech twist.

One man's personal collection of KGB memorabilia is presented along with his strange viewpoint.

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

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

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

This tipsy office building in downtown Prague was originally called “Fred and Ginger.”

A bust of Franz Kafka spins in pieces, reflecting the writer's inner torment.

The first museum in the world devoted to sexual gadgetry.

Walk through Czech history in Prague's largest graveyard.

Macabre astrological automaton clock dating to the late 1400s.

This 13th-century monastery chiseled into the side of a mountain is equipped with a bridge that can be lifted to protect against raids.

What once sat in the world’s spotlight is today a largely disused ghost complex.

Legend says this sacred tree was a gift from goddess Athena.

Heralded as the world's first theater, these ruins are often overlooked as they reside in the shadows of the Acropolis.

Giant marble phalluses on the sacred island of antiquity.