Statue in Salem of the woman who starred as the witch Samantha in the sitcom "Bewitched."

A giant Troll lurks under one of Seattle's oldest bridges.

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

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

In the early Roman Empire, people deemed traitors and criminals were tossed to their deaths from this rock.

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

The remains of this 2nd-century Roman temple are incorporated into a modern building.

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

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

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

Ancient ruins hidden underneath a modern luxury hotel.

This amazingly well-preserved villa just outside Pompeii boasts rare examples of ancient Roman paintings.

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

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

Ancient snack bar of the Roman Empire re-opened.

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

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

The sacristy of this church contains remains and relics of members of the Aragonese royal family.

Every day is like Christmas on this street where the traditional Neapolitan nativity scene comes to life.

This abandoned coliseum was intended to be a grand Nazi rallying ground before it was halted at the end of the war.

A museum that chronicles the history of the Nuremberg Trials for Nazi war criminals in the building where the trials were once held.

A castle from the Holy Roman Empire that hosts traveling youth... in its stables.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

Golden cobblestones remember a time when this small alley was used to avoid having to give a Nazi salute.