A dead saint, a deadly poison, and a mysterious holy ooze.

Virgil's many-mouthed gateway to the underworld.

An underground paleo-Christian burial site composed of the remains of several cemeteries and Basilicas.

Skulls from the plague of 1656 and World War II bombings are united by a cult dedicated to caring for the ancient dead.

The glowing blue Nymphaeum of Emperor Tiberius.

Stone Age solar temple is aligned with the sun on each equinox and solstice.

The Jesus tree of Malta bears a striking resemblance to Christ on the cross.

Ancient mysterious ruts carved in the bedrock.

Dynastic Home of the De Piro Family.

An abandoned set from the 1980 film "Popeye," claimed and repurposed as a theme park by creative locals.

Cave shrine on Monte Pellegrino.

"Stairs of the Turks", a chalky white cliff eroded conveniently into stairs, allowing for easy pillaging.

A petite white lighthouse perched on the ancient core of Stromboli Volcano.

A volcanic old faithful, Stromboli has been erupting continuously for the last 2000 years.

142 ceramic steps become a mosaic once a year.

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

Walk upon the mementos of the dead in this Parisian courtyard paved with medieval tombstones.

"The prettiest love letters in the world" ... or so said Lord Byron.

Pilgrimage site for star-crossed lovers.

One of the oldest medical collections in Europe focusing on rare surgical instruments.

Medieval museum built over Roman baths that features famous tapestries of a lady and a unicorn.

A collection of grotesques lines the walls of this Italian villa.

Ruins of a 10th century church tucked away deep in a botanical garden.

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