A number of craters left by fatal mortar strikes have been filled with red resin to remember those lost during the Siege of Sarajevo.

This historic timepiece is thought to be the only public clock in the world that keeps lunar time.

The first mosque in the world to receive electricity.

Oriental bazaar in the heart of Sarajevo.

The place where World War I began.

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

The oldest church in Serbia was also the ecclesiastical seat of the region during the Middle Ages.

According to a local legend, this old castle could only be built after a woman was immured in the walls.

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

This lonely minaret with an unusual decorative symbol is all that remains of a historic Ottoman mosque.

On top of a resort town as old as the Bronze Age sits an incredible war memorial statue overlooking the beaches below.

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

The hairpin turns in this mountain road take the shape of a letter—is it a coincidence or a symbol of love?

These historic defenses ensured the city within would survive hundreds of years of occupations, sieges, and invasions.

A curious cave church carved into the face of a cliff.

In 1914, Archduke Franz Ferdinand spent his final night alive at this luxurious hotel.

A wunderkammer of gold and silver reliquaries and ancient saintly bones.

Gargoyle head that brings good luck.

This Croatian island is for sale but no one is buying due to the dozens of accused Nazi sympathizers who were massacred there after WWII.

A full figure 4th century incorruptible saint lies in a glass coffin in Croatia.

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

This top-secret nuclear bunker hidden in a Bosnian mountain has been converted to a modern art exhibition space.

Bridge that died in war and was resurected.

An oddities shop that dabbles in the deathly and beautiful.