The true meaning behind this sculpture remains unknown.

The only Baroque residence for bishops of the Serbian Orthodox Church in the Banat region.

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

A rich Serb hired foreign craftsmen to secretly build the castle of his dreams.

This military tunnel dates back to World War II and provides visitors with a little wartime adrenaline.

Now abandoned, the world's first torpedo factory is crumbling into the sea.

Island wonderland for communist autocrats.

Maze-like streets filled with vibrant murals draw visitors to this Istrian town.

A Roman mosaic depicting a classical myth was only rediscovered after bombing during World War II.

An excavation site that signified Hercules in Pula, and a glimpse into the city's Roman history.

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

A tiny church on a man-made island in the Adriatic.

Former military fort and site of untold horrors during WWII, this island may become the Adriatic's next luxury resort.

A Red Cross memorial museum at the site of the Niš concentration camp that operated for four eventful years during World War II.

A maze of underground tunnels beneath one of the most beautiful forts in Serbia.

Roman-style pizza al taglio arrives here with magnificent, crackly crust.

For more than a century, this hole-in-the-wall near Termini Station has been serving what some say is the greatest porchetta sandwich.

The other, lesser-known, Sistine Chapel, sits over 500km away from the Vatican City in an Italian port City.

The world's oldest grape-producing vine has survived four centuries of turmoil and even has its own anthem.

The world's most important buildings shrunk to a tiny size.

This spire on an Austrian mountain is wrapped around a long spiral slide and has the world's tallest wooden observation deck.

The medieval "dragon" on an Austrian city's coat-of-arms comes to life in a fountain.

This small, easily-overlooked sculpture recalls the first time Graz saw a live elephant.

Double spiral staircases are not unheard of, but they are very rare.