An unusual "skull with ears" sits in the crypt of this small church tucked away at the end of a narrow alley.

Known as the Royal Palace of the Euganean Hills, this often overlooked castle has been home for multiple noble families over the centuries.

This 21st century cabinet of curiosities includes dinosaur bones, moon rocks, film memorabilia, and more.

Stare out over the lagoon and beyond from this 10th-century campanile on the island where the city of Venice began.

A fascist-era rural village abandoned since the early 1980s.

This 18th-century dissection theater's frescoes display a gorgeous tension between the terrestrial and esoteric.

This ancient Roman arch misled treasure hunters for centuries.

This serene, turquoise lake in an extraordinary nature reserve showcases a rare natural phenomenon.

These pools have been abandoned for over 20 years.

This triumphal 16th-century arched gateway leads to the oldest street in Palermo.

This Neapolitan exhibition hall grants weird and wonderful insight into the intricacies of human biology.

Remnants of cone-shaped fascist bomb shelters in Milan.

This 6th-century church has the largest and best-preserved collection of Byzantine mosaics outside Constantinople.

Buried next to Pompeii, this lesser-known Roman villa was the opulent vacation home of Emperor Nero's wife.

Abandoned cemetery of the former Psychiatric Hospital of Volterra.

This Italian church is as beautiful as it is common, except for the real skulls decorating the many mannequins inside.

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

One Italian taxi driver covered his entire house in small seashells creating a weird bit of architecture that is preserved to this day.

The now-abandoned Fascist summer colony served a dark purpose during World War II.

A wunderkammer of curious objects and intriguing art nestled within a hub of ancient Roman sites.

An abandoned 17th-century baroque hunting lodge with a wonderfully strange architectural plan.

The Cathedral of St. Ambrose has been hiding a special parishioner within its walls.

This former fascist summer camp was abandoned for decades.

An eccentric home in Sicily turns heads on a regular basis.