Ever-growing collection of devils in art.

Built in the aftermath of a devastating earthquake, this cathedral is one of the finest examples of Sicilian Baroque architecture.

This elegant black and white striped arch is emblematic of Catania's resilience to natural disasters

Wedged between streets and buildings, this ancient Roman theatre could seat 7000 spectators.

Is this a portal to another side of the cosmos?

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

What was once an ordinary pedestrian tunnel under Gorizia Castle has been transformed into an immersive artistic experience.

A giant coin serves as a very unusual yet creative monument commemorating one of the most important people in the history of Trieste.

The Adriatic's most famous wind can be reliably experienced in the city's Marina.

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

The "dragon babies" of southeastern Europe.

Castle and secret tunnel withstood a siege until its owner was killed by the Holy Roman Empire, while sitting on the toilet.

This one-time health resort was used by aristocrats around the world.

A miniature train-ride through Slovenia's largest cave system.

One of the best-preserved Roman amphitheaters is still used today, but for less brutal events.

One of the largest single-span stone-arch bridges in the Balkans looks like something straight out of a fairytale.

The only known mosaic depicting the Greek god of sleep, Hypnos.

This exclusive resort has completely covered a tiny Balkan island in a 5-star warren of guest rooms.

The place where World War I began.

Oriental bazaar in the heart of Sarajevo.

Gargantuan home of Russian science.

Some Moscow residents once claimed the bizarre, contorted mass of metal on top of the building was used to manipulate minds.

This massive monument honors the first human in space.

Church built on the site where the last tsar of Russia and his family were killed.