This private skyway is filled with art and was expanded explicitly so that Hitler could appreciate a river.

The famous sculptor left his mark on this Italian wall in an internationally protected example of street art.

The doodles of a genius line the walls of a secret room under the Medici Chapel, where they were hidden for nearly 500 years.

The oldest operating pharmacy in the world features 800-year-old recipes.

The middle finger of modernity.

A mushroom-shaped outcropping that has come to be the symbol for an entire town.

Beautiful views and Roman-style statues on the Italian coast.

The Emperor Tiberius' palace of debauchery.

The once forbidden "secret cabinet" of erotic art from excavations of Pompeii and Herculaneum.

A labyrinth of ancient tunnels hidden below the city holds the ruins of 2,500 years of history.

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

These "anatomical machines" are only one of the many strange items in this Italian crypt.

The remains of the left arm of the levitating philosopher-saint are kept in a 13th-century Neapolitan basilica.

Tourists to the mountaintop Sicilian town often overlook its ancient fortifications.

This skeletal, unfinished Gothic church once housed a miraculous masterpiece by Raphael.

This mosaic-lined medieval church was built by the world's first admiral and still holds mass in ancient Greek.

Why a column on the entrance is inscribed with a verse from the Quran is one of Sicily's many mysteries.

This triumphal 16th-century arched gateway leads to the oldest street in Palermo.

Thousands of well-dressed mummies below a monastery.

Climb the dead electric pylons of Messina.

Italian cave with exceptional acoustics and an unsavory history.

This almost-forgotten underground dungeon housed several convicts over the years, including Caravaggio.

This unique building in the main square stands out among the city's typically Baroque architecture.

The medieval home is still engraved with the symbol of the profession, an eye flanked by two axes.