An underground paleo-Christian burial site composed of the remains of several cemeteries and Basilicas.

Skulls from the plague of 1656 and World War II bombings are united by a cult dedicated to caring for the ancient dead.

The once forbidden "secret cabinet" of erotic art from excavations of Pompeii and Herculaneum.

A bloody history is captured in this former prison turned museum.

Brass plaques embedded in pavement preserve the memories of those who lost their lives at the hands of Nazis during World War II.

A sculpture of the beloved author surrounded by characters from his fairy tales.

The inverted pyramid design of this station stands out amid Bratislava's urban landscape.

Thousands of slain Soviet soldiers are buried within the shadow of this enormous obelisk.

A forgotten remnant of the Soviet Union, Transnistria is an unrecognized country hidden behind a heavily militarized border between Moldova and Ukraine.

The big toe of this towering monument to a Croatian national hero is worn from years of superstitious rubbing.

A wonderfully strange collection of 500+ stuffed frogs doing people things.

An ancient knight and a symbol of the city's freedom.

Gargoyle head that brings good luck.

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

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

Nine bronze hands protruding from a wall honor the student uprising that led to the fall of Czechoslovakia's Communist government.

A surreal statue honoring Prague's favorite literary son.

This spooky statue sits outside a famous Prague theater.

Steadily reminding Czechia of its past.

Increasingly decayed figures stand as a powerful reminder of the human costs of Czech Communism.

Looming communist pillar with a Czech twist.

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

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

Synagogue built from the stones of Solomon's temple contains the golem of Prague.