First point in the Struve Geodetic Arc, a 19th century undertaking to measure the Earth's size and shape.

A unique sculpture calls the outside of this steakhouse home.

A medieval setting reimagined into a unique art alley.

An awe-inspiring mosque in Morocco with one of the tallest minarets in the world.

This bronze boy sits on one of Capri's rocky cliffs, waving at the passing boats.

Built to be the ideal penitentiary, this abandoned panopticon saw several revolts and even a prisoners' coup.

One of the oldest and most significant collections of Ancient Egyptian archeology outside of Egypt.

This monumental fountain has moved around the city multiple times.

During World War II, this rice mill became a Nazi concentration camp.

Mysterious tombstones thought to be remnants of Atlantis.

This cathedral hides a sculpted dog that determines your fate and an unexploded shell from World War II.

Now an entertainment complex, the Lingotto building was once an avant-garde auto factory with a test track on the roof.

Legend has it this fountain built to symbolize the Pope’s power hides a strange secret concerning Neptune's manliness.

A medieval fountain lined with 99 unique stone faces whose origins and meaning remain unknown.

A lavish 16th-century mansion filled with spectacular staircases, fantastic frescoes, and gorgeous gardens.

In a city that boasts four separate inclined cable railways, this is one of the busiest funicular lines in the world.

A copy of the famous statue can be found in this Florence piazza, along with one of the most breathtaking views of the city below.

Over 100 towers were built in Bologna during the Middle Ages, but only 22 survive.

Southern Italy's spinning top village.

People have been living in the cave houses on this Italian hillside since the Neolithic era.

A fake medieval village in the middle of Turin.

Two very green residential towers cleaning the air in one of Europe's most polluted cities.

One of the largest caves in the world open to the public.

Romans built the world's tallest artificial waterfall in 271 BC.