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 surreal memorial/cemetery is a necropolis of crumbling stonework and puzzle-shaped headstones.

This brutalist monument is inscribed with 9921 names of Yugoslav partisans who perished during WWII.

A forgotten and crumbling Yugoslav monument to the victims of fascism.

A former bank seized as a sniper vantage point during the Bosnian War is now a secret graffiti art gallery.

This historic cemetery was inaccessible for several years due to dozens of land mines.

This museum preserves the hand-dug tunnel that kept Sarajevo afloat during the Serbian siege.

These warring psychedelic crags commemorate an unsuccessful military operation.

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

A war-torn Olympic relic is being overtaken by graffiti and nature.

This cluster of little wooden huts once ground local farmers’ wheat into flour during the days of the Austro-Hungarian Empire.

There's a mini version of Iguazu Falls hidden in the Balkans, and it's got a rope swing.

This memorial to local World War II heroes is slowly being reclaimed by nature.

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

This World War I fortress is the perfect place to catch a Montenegrin sunset.

One of the world's oldest olive trees, thought to be over 2,000 years old.

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

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

A curious little museum dedicated to the furry feline in the cat haven that is Old Town Kotor.

This was the second largest mercury mine in the world and one of the oldest preserved mine complexes in Europe.

An unmistakable facial pareidolia in the Julian Alps also includes a fantastic tale.

The costumes depict the Kurent, the star character of the annual Kurentovanje festival.

A crumbling World War I fort that is reached through a series of concrete tunnels.

A beautiful drive through the foot of the Alps traces the path of 15th-century Turkish raids.