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

Liechtenstein's royal family calls this medieval alpine castle home.

The seat of the Mantua bishop holds many secrets within its walls.

A small villa said to have inspired the design of the court jester at the heart of Giuseppe Verdi's 1851 opera.

A medieval tower with a suspended iron cage used as an open-air jail for criminals who were exposed as a warning.

A hidden bas-relief of a hare on a church main portal that brings good luck to the ones who find it.

It took more than 300 years to build this church, which is home to two sacred vessels believed to hold the blood of Christ.

The oldest church in Mantua was buried for centuries under the facades of other structures.

Inside the small garden of two mid-century apartment buildings stands a centuries-old bell tower, separated from its original church and hidden from view.

A room filled with frescos that make it seem like the walls are crumbling down while giants die in despair.

An architectural oddity where the triglyphs of the courtyard of walls create an optical illusion.

Not far from the more famous House of Juliet, visitors will find the supposed residence of her lover.

Pilgrimage site for star-crossed lovers.

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

This winding road through an Italian canyon may be the most scenic drive in the world.

Europe’s oldest natural human mummy.

The first passenger cable car in the world.

Featuring the last fully walkable parapet walkway in Europe.

When a massive landslide hit one of the world's tallest dams it created a tragic environmental disaster.

A devastating landslide accidentally created this tourist hotspot.

This statue of the legendary Austrian composer is hidden in the center of an Italian town.

Crumbling ruins of the thermal baths that once attracted royals and aristocrats from throughout Europe.

Meet the oldest inhabitants of this Italian hamlet, a series of oddly preserved mummies.

A star-shaped fortress town fort built in the geometric model of the Renaissance utopian city.