A series of metal trumpets in the heart of Ruma represents the seven Vojvodina People's Liberation Brigades.

A large open-air Socialist Realist mosaic, considered the largest in Serbia.

This medieval fortress guards a monastery near the border of Serbia and Montenegro.

An eerie fountain commemorating the death of a boy that sparked a small war in the 19th century.

The kitsch mansion of the former Romanian president Nicolae Ceaușescu features a golden bathroom.

Locals believe this abandoned ruin on the outskirts of Bucharest is haunted.

An architectural marvel that combines Gothic architecture with Indian elements.

Arguably Belgrade's only example of pure Art Deco architecture.

An exquisite monument dedicated to fallen Partisan soldiers and anti-fascist fighters of Yugoslavia through symbols of gears and flowers.

A chemical factory damaged by two earthquakes and an explosion that became abandoned after bankruptcy.

Former home to Polish artist Tamara de Lempicka's dazzling Art Deco duplex studio.

An abandoned pasta factory in the centre of Bucharest, once home to Bulgarian revolutionaries and a hub of crime.

One of Serbia's oldest luxury hotels and a nostalgic echo to Yugoslavia in the state's former capital.

A curious fountain that resembles a beloved character from the 1960s.

An unfinished Serbian Orthodox church with 1,389 golden crosses planned to represent the Battle of Kosovo.

A quirky statue in Bermondsey made by 100 public participants with goggles, chisels, and mallets.

A totem pole of heads to represent the different stages of life.

A monastery considered a state-protected cultural monument of exceptional importance, founded in the 14th century by Serbian King Stefan Dečanski.

A abandoned hostel which was once home to Brunei's brightest students and present-day politicians.

A retro Yugoslav congress, cultural, and business hall built in the 1970s, with an iconic world clock.

Two buildings named after their windows that make it look like a sea of television sets plastered to a wall.

A UNESCO-protected spiritual seat of the Old Serbian Kingdom and Empire.

A 14th-century Serbian Orthodox church that was once converted into a mosque under the much-disfavored Ottoman Empire.

A 1930s Art Deco swimming pool with a design inspired by grand ocean liners.