The “bridge of return” is haunted by a myriad of legends, from ghosts to demons to nuptial superstitions.

Only recently added to the shrine, this googly-eyed snail demon of unknown origin is said to have eye-healing powers.

These unique toilets feature transparent glass covered in PDLC film.

Kawaii meets poisonous at this unique art gallery.

Dedicated to the armor and weapons used by the legendary Japanese warriors.

A flight of this "ghost staircase" has 40 steps on the way up, but only 39 steps on the way down.

A sculpture serving as an homage to Pope John Paul II.

These hut foundations are believed to be the residence of Romulus, founder of Rome.

This one-of-a-kind Roman arch is not actually dedicated to the god Janus.

Its interior is adorned with some of the best examples of early Christian mosaics.

This small, ancient Roman temple was once a church dedicated to the patron saint of penitents.

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

This gallery commissioned by Cardinal Spada is known for its magnificent optical illusion.

This is the oldest Roman-made bridge in the city still existing in its original state.

The studio built by fascists in the hopes of "reviving the film industry" with the occasional propaganda film opportunity thrown in.

More sculpture than building, this architecturally significant temple was built on the spot of Saint Peter's crucifixion.

In Rome’s Jewish ghetto, a 200-year-old bakery still makes the neighborhood’s historic sweets.

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

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

The Pope’s secret escape route.

One of several skulls claiming to belong to the beheaded St. John the Baptist is on display at this Roman church.

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

Remnants of cells from the most notorious London prison may lie in the basement of a rare Victorian Gin Palace.

A historic London cemetery now serves as a nature park incorporating gravestones & memorial statues.