This former estate of a fascist leader is now a burnt out ruin leading to a system of secret tunnels.

Dramatic sea stacks adorn the coast of this small village on the Adriatic coast.

Humble beginnings for one of the world's most famous scientists.

This historic black and white monastery is one of Bulgaria's architectural jewels.

A forgotten monument to Yugoslavian freedom.

An ethereal glowing blue ocean cave in Croatia.

A giant portrait of an ancient king looms over the river.

Space-age monument to an early 20th-century uprising.

What happens when you cross a mayor and a painter?

This memorial park stands on the site of one of the largest mass executions of the Second World War.

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

A futuristic, brutalist masterpiece that is also strangely prison-like.

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

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

The sad remains of a monument to martial arts legend and movie star Bruce Lee—in the middle of Balkans.

Sealing couples' love since just after World War I.

Serbia's master of striking memorials erected a forgotten, hidden gem in the hills outside a tiny village.

These warring psychedelic crags commemorate an unsuccessful military operation.

This abandoned Olympic skiing facility still bears the scars of the Siege of Sarajevo.

A sinuous path among steep cliffs creates a stunning sight in southwestern Serbia.

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

Nikola Tesla's ashes are held in a golden sphere, surrounded by his works.

A small memorial to a deadly night in Serbia that shook the world before it was swept under the rug.

A pair of connected skyscrapers form this symbolic gateway.