One of the smallest bookstores on the planet.

You can cross from one country to another in a single hop on this little bridge.

This crumbling Portuguese ruin overlooks the populace it once ruled.

The corpse bride of Portugal.

A preserved dragon's rib that remembers the legend of the founding of the city of Atessa.

The relics of one of Jesus' 12 apostles are enshrined in this Italian Basilica.

This domed temple was built in a hidden cave mouth as a refuge for sinners seeking absolution.

An Italian vineyard invites religious pilgrims to stop by 24/7 to get their drink on, for free.

A unique Tuscan hideaway acts as an art mecca as well as a hotel.

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

Geothermal waterfalls in Tuscany.

The giant skeleton sculpture is surprisingly well-traveled.

A town saturated in Italian rationalist architecture was once marshland drained by Mussolini.

An Italian ghost town that fought obscurity, until a mysterious illness brought it to its knees.

If you want to talk to the Pope you will have to stare down this surreal vision of Jesus rising from a nuclear hell.

The former home of an Italian artist is now a shrine to his ambitious works.

The only "Egyptian" pyramid in Europe and the legendary tomb of Remus.

A mysterious chasm in the heart of the ancient Roman Forum, the Lacus Curtius was once believed to be a gateway to hell.

An enigmatic modern marker left next to a historic Roman site.

St. Francesca Romana, patron saint of drivers, resides in the church she founded.

This Roman arch marks the location of an ancient gate at one of the Seven Hills of Rome.

Charles Dickens was not a fan of the ghastly wall dressings in this 6th century church.

One of seven Jewish catacombs in Rome and one of only two open to the public.

An abandoned Roman salami factory has found new life as an art space home to 200 squatters.