"Respectful to the dead, safe and sanitary to the living, dedicated to the Genius of Memory..."

A vast overgrown cemetery, once known as one of London's "Magnificent Seven."

Famously misunderstood wonder of the ancient world

The sign at the garden gate reads: "These Plants Can Kill."

This ancient hydrological marvel is now the base of a modern outdoor cinema.

Built to give thanks for the passing of a plague epidemic, this cathedral is a one-of-a-kind architectural hybrid.

These 12th-century catacombs carved into a mountainside were a place of mysticism and Christian hermitages.

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

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

The burial place of an obscure North African saint was turned into a macabre body preservation factory for the 17th-century Neapolitan elite.

Psychoanalyst Carl Jung reported a paranormal experience after visiting this mosaic-lined Roman baptistry.

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

A rococo room covered entirely in porcelain originally constructed for another royal residence.

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

It’s said this crypt was the setting for the tragic finale of the Shakespeare play.

Many famous English poets including Elizabeth Barrett Browning are laid to rest at this Swiss-owned cemetery in Florence.

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

The naturally mummified body of a peasant girl saint.

A lavish 16th-century mansion filled with spectacular staircases, fantastic frescoes, and gorgeous gardens.

Where Venice's gondolas go for a tune-up.

Italian poet Dante Alighieri is entombed in this small mausoleum in Ravenna, and his hometown of Florence has never been too happy about it.

Venice's island of the dead.

A dismembered holy head stares out from her beautiful reliquary at the St. Dominic Basilica.

A treasure trove of Renaissance-era funerary art in a Roman church built on top of Nero's grave.