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

Pompeii's less famous neighbor is still revealing her secrets.

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

These hut foundations are believed to be the residence of Romulus, founder of Rome.

The underground sanctuary of a mysterious ancient cult.

Nine caves filled with recently-discovered archaeological finds under the houses and the streets of the most ancient district of an old town.

Water and windows define this defensive Italian well.

A musical instrument played by the sea.

This ancient market is often referred to as the oldest shopping mall in the world.

Legend has it that this bronze orb, which sat atop an ancient Egyptian obelisk, once held the ashes of Julius Caesar.

Ancient ruins hidden underneath a modern luxury hotel.

Installed in an act of one-upsmanship, the annual sundial in this church is also a symbolic victory for the Gregorian calendar.

A sculpture serving as an homage to Pope John Paul II.

Inside this McDonald's you can dine on your Big Mac and fries next to a 2,500-year-old Roman wall.

This ritzy Italian market is built around a statue of an unforgiven heretic who was burned for his belief in an endless universe.

A small but very fascinating fountain in the center of Rome with four books and a deer carved.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

The spot where the fascist dictator made some of his most famous speeches including declaring war on Britain and France.

A massive marble foot is tucked away in a small alley near the Pantheon.

A statue representing a lost Roman profession that was vandalized for centuries.

A master of trompe-l'oeil creates a stunning, tourist-fooling dome out of a flat ceiling.

This hidden Art Nouveau courtyard is an opulent feast for the eyes.

This former Roman Catholic Church still contains the embalmed hearts and organs of 22 popes.

A forgotten "city of water" underneath the famous Trevi district.