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

Centuries ago, red and white wine poured from the statue's breasts whenever a new Venetian ruler was elected.

This medieval hilltop village was abandoned at the end of the 19th century, after existing for more than 500 years.

Ride a boat through this magnificent underground world, which now doubles as a theater.

One of the most well-preserved castles in Italy also contains a rare medieval example of a port fortification.

Every day is like Christmas on this street where the traditional Neapolitan nativity scene comes to life.

A gorgeous medieval library where the books are kept in chains.

Ancient ruins hidden underneath a modern luxury hotel.

An amazing collection of wax anatomical models and terratological models.

The first Russian Orthodox church in the Catholic city of Rome in almost a thousand years.

A stunning bridge that appears as if it's lunging to the shore, and has a legend of a devilish architect.

A fairytale-like medieval church perched atop a rocky cliff on Italy's "Coast of the Gods."

This precariously perched fortress was once ruled by a crow-worshipping baron.

A sulfuric hellscape in southern Italy.

These medieval skyscrapers dominate the skyline of this small Tuscan town.

The Roman Emperor's lost summer home and grotto full of enormous sculptures sit along the Italian seashore.

The sinister ruins of one of the worst dam failures of the 20th century lie in this astonishing alpine setting.

The world's most active stratovolcano is almost always erupting.

This magical-looking island is notorious for the misfortunes suffered by its owners.

This hill made entirely of ancient Roman jars was simply a garbage dump to the people of the time.

The Sighignola summit on the Swiss border offers views so breathtaking it's been named one of the most beautiful places in Italy.

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

More sculpture than building, this architecturally significant temple was built on the spot of Saint Peter's crucifixion.

The remains of a town so thoroughly destroyed by French forces that the citizens simply left.