A sweet symbol marks the place where torturous executions were once carried out.

A 18th century graveyard and its astonishing cortege of macabre iconography.

The fountain marks the area where hundreds of accused witches were burned at the stake.

The underground sanctuary of a mysterious ancient cult.

Rome's semi-secret peephole vista is also a former Crusader stronghold.

Self-mutilation in the name of beauty.

Watch butterflies take flight before you fly.

This rare wildlife haven in Singapore feels like you're in the tropical rainforest.

This family-owned pottery shop is home to the last operational dragon kiln in Singapore.

A Buddhist theme park brings you a Buddhist version of Hell.

A hidden workshop for creating and restoring Papal mosaic masterpieces.

At the crypt of St. Mary of Eulogies and the Dead you are left alone to ponder mortality among piles of skulls.

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

The skull of the patron saint of lovers lies in the Basilica di Santa Maria in Cosmedin—maybe.

A burial vault located under Tiber Island in the middle of the Italian capital.

Charles Dickens was not a fan of the ghastly wall dressings in this 6th century church.

A collection of objects supposedly singed by the hands of souls in purgatory.

The yawning maw of this pagan visage is said to bite off the hands of liars.

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

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

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

Architectural monsters are devouring this palace's every door and window.

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

The martyr's wax-enhanced skeletal remains lie preserved in a glass case in the Santa Maria della Vittoria in Rome.