In the mid-19th century, an eight-sided house was the latest fad.

A painting, bought for one dollar and carried to the church on a manure cart, is said to have instigated miracles and has certainly inspired the construction of an impressive basilica

Although controlled by the Santuario, the Campanile is a separate and later structure which offers great views of Pompei and Vesuvius

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

Erotic art covers the walls of the largest ancient pleasure palace.

The walls and streets of the ancient city are peppered with penises.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

The Neapolitan Cult of the Dead still cares for the skulls at this mini-Fontanelle.

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

The first statue to be added to Saint Peter's Square in over 350 years is an ode to migrants and refugees around the world.

Breathtaking and huge 430 year old maps of Italy.

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

The ruins of the largest gladiatorial school in Rome are largely hidden under modern streets.

The final resting place of a circus performer who went by the pseudonym "General Tom Thumb."

This unusual building straddles two countries.

A Montreal deli that was so beloved that it was allowed to circumvent their laws of language.

A fragment of one of history’s most famous walls stands as a reminder of unity in a culturally divided city.

The Painted Ladies of Ontario aren’t your average beach homes.

The 18th-century church's stained-glass windows tell the story of the Haudenosaunee people.

Three and a half miles of cliffs, rocky beaches, Gilded Age mansions and 40 Steps to nowhere in particular.

This small-town pizzeria won the Hollywood lottery.

Holding multiple historical boats and an entire 19th century village, this New England attraction is the largest maritime museum in the world.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

This abandoned psychiatric hospital once housed more than 4,000 patients in the middle of a quaint New England town.