Looming communist pillar with a Czech twist.

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

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

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

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

Walk through Czech history in Prague's largest graveyard.

Macabre astrological automaton clock dating to the late 1400s.

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

A church of bones, decorated with 40,000 human skeletons.

These 12th-century catacombs carved into a mountainside were a place of mysticism and Christian hermitages.

The world's oldest known salt mine.

Vienna's giant wonder wheel had a starring role in one of the greatest noir movies of all time.

The largest ice cave in the world is thought to be the entrance to hell according to Austrian legend.

An Austrian house of bones filled with hundreds of intricately painted skulls.

Baroque celebration of the end of the Great Plague of Vienna.

Terrifically morbid cemetary and site of famous Paracelsus' grave.

Op-art architecture designed for happiness.

The former private quarters and office of Dr. Sigmund Freud now hosts a museum housing the works of the founding father of psychoanalysis.

The final resting place for the remains of 143 Habsburg royalty.

The crypt of the imposing Stephensdom holds royal intestines and thousands of skeletons.