The true meaning behind this sculpture remains unknown.

On Gellért Hill, this statue depicts the tragic tale of lovers divided by the Danube.

Tucked away near more famous landmarks lies a statue meant to symbolize the confluence and continuing development of human culture.

A 19th-century artistocrat's mansion, turned into a library, hidden in a modern library.

The geographical center of Budapest is marked with a 10-foot-tall stylized zero.

This historic island prison holds one of the dungeons from the Count of Monte Cristo even though it is a work of fiction.

This modern museum of Mediterranean culture is surrounded by a surreal concrete honeycomb.

Third time's a charm, or in this case, two testicles are.

The secret medieval communication system will whisk your words above the noise of the crowd.

A sculpture of a courtesan towers above Lake Constance, recalling a church scandal.

Once a luxurious flagship of the Soviet Union, this Brutalist structure remains a landmark of Tashkent’s communist past.

Prowl through this sprawling bazaar under a massive Soviet-era dome for delicious eats.

An underground world of gorgeous, palatial metro stations designed as a nuclear shelter complex.

The remains of an ancient city-state along the Silk Road.

The Avenue of Mausolea is a series of grand palatial tombs.

Controversially restored in the 1970s, this giant 15th-century mosque is shrouded in legend.

Ancient barriers wrap around what was once an important stop along the Silk Road.

Legendary pedestrian bridge in the centre of Romanian city Sibiu.

Among the ostentatious rococo ornamentation of this church, an image of death cuts the life-thread.

A fearsome dragon clings to a corner of Munich's city hall.

An unofficial monument to the late King of Pop sits at the base of a Renaissance composer's statue

Daily jousts and dancing barrel makers in Munich's mechanical clock.

A medieval church built up to defend its village.

The possible imprisonment of Vlad the Impaler here earned the medieval castle its nickname, "Dracula's Castle."