An ode to a soldier who came to town, fell in love, then began making his own sparkling wine.

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

This Slovak bridge is known both for its connection to a national uprising and its UFO-shaped eatery.

The blood-soaked ruins of the castle where the murderous Blood Countess was walled in alive.

A unique hotel for the artistic soul.

Vienna's diversity-themed traffic lights were inspired by the Eurovision Song Contest.

The Habsburgs' royal collections of art and wonders.

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

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

Bullet holes in the church wall are a reminder of the violence that followed the assassination of a high-ranking Nazi officer.

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

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

This museum housed in a former brothel explores the past and present of sex work in Amsterdam.

This 22-floor tower's Skydeck offers panoramic views of Amsterdam.

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

The first museum in the world devoted to sexual gadgetry.

Macabre astrological automaton clock dating to the late 1400s.

This Slovakian statue of an emerging sewer worker might just be a bronze peeping tom.

Budapest's Communist-era statues, banished to the suburbs.

From Austrians to Nazis to Soviets, this historic Budapest fortress has a history as complex as the city itself.

A series of caves under Castle Hill that once held the prisoner Vlad Tepes, better known as Count Dracula.

This Budapest bar allows drinkers to leave their mark on the walls, floor, and even ceiling.

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

A museum in the building where Nazi Germany signed its surrender tells the story of World War II from the Soviet perspective.