This old medieval prison tower has been a site of astronomical research for more than 250 years.

This network of roads is one of the most unique Etruscan creations ever discovered.

An ancient rogue artist community hidden next to one of the world's most glitzy and glamorous cities.

This building features dozens of faces along its facade, although one is a bit chilling.

This enormous sinkhole hides a secret world created from divine wrath.

The "Mona Lisa" of funerary art.

Abandoned cemetery of the former Psychiatric Hospital of Volterra.

A beloved local artist has been honored with this statue of a man emerging from a toilet.

This ultra-modern burial building would have stacked the dead like a giant filing cabinet.

Sleep amongst an abundance of art from the modern era.

A brutalist gem towering over the heart of Milan.

Before it was buried by volcanic ash, this fast-food restaurant fed the hungry hordes of ancient Rome.

Windblown rock formations in an ancient Roman quarry.

An 18th century fountain and two columns are all that remains of Rome's forgotten river harbor.

Artistic tombs, monuments, and a beautiful "Hall of Fame" lurk inside this cemetery.

The world's first underwater farm is home to more than 700 plants.

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

Roman politician Herodes Atticus built this nymphaeum to honor his wife, whom he may have murdered.

Many famous English poets including Elizabeth Barrett Browning are laid to rest at this Swiss-owned cemetery in Florence.

This natural gas vent certainly earns its name as the smallest volcano in Italy.

The sunlight passing through the opening of this huge cave system creates a magical effect.

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

The bright red cars take travelers through breathtaking Tuscan scenery.

Amalfi's pre-industrial history is slowly being engulfed by the lush vegetation of the Ferriere Valley.