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

The glowing blue Nymphaeum of Emperor Tiberius.

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

2300-year-old Roman road connecting the empire.

The only "Egyptian" pyramid in Europe and the legendary tomb of Remus.

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

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

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

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

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

This community on a small Venetian island has taken to painting their houses in bright neon hues.

An alchemist's "magic door" stands in the middle of a Roman park.

Architectureal fantasy quarter of Rome.

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

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

Also known as the "Red Taj Mahal."

A fresco in this magnificent palace is said to have been the first depiction of the Taj Mahal's design.

This ruined relic of the medieval city of Jahanpanah is a quiet oasis in the middle of New Delhi.

This hidden Sufi cemetery is a spiritual monument for India's third gender community.

Inside the dome of this gigantic, Saturn-shaped building is one of the largest planetariums in Asia.

A small town in Rajasthan has been dubbed the "City of Stepwells," and Raniji ki Baori is the queen.

Many Hindus make the long pilgrimage to this holy city to have their remains burned on the banks of the Ganges River.

Ancient traditions and surreal birdwatching come into sharp relief along one of the world's most polluted rivers.

This small cafe aims to empower acid attack victims and stop violence against women in India.