A rather vulgar example of the transition from Latin to the Italian vernacular.

A Nesting Doll of Churches.

An abandoned Roman salami factory has found new life as an art space home to 200 squatters.

The Pope’s secret escape route.

A forgotten "city of water" underneath the famous Trevi district.

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.

The underground sanctuary of a mysterious ancient cult.

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

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

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

A 6,888-carat piece of turquoise that bears a striking resemblance to the first President of the United States.

Although damaged beyond recognition, this stone god is still said to bring good luck to those who tap on him with a pebble.

This bizarre residential building is the masterpiece of Von Jour Caux, the “Gaudí of Japan.”

Designed by a computer, this intricate network of fluorescent green pipes has taken over a subway station.

These unique toilets feature transparent glass covered in PDLC film.

Kawaii meets poisonous at this unique art gallery.

Weighing nearly 7 tons, this massive sculpture was carved out of 500-year-old wood and decorated with thousands of jewels.

Discover the past, present, and future of packaging in this unique Japanese museum.

Inside the columbarium, thousands of colorful, high-tech Buddhas guard the ashes of the dead.

Serving you alcohol with a side of insanity. Also, costumes!

The bartenders at this crime-fighting theme cafe are actual private detectives by day.

Drinkslinger is an unlikely vocation for a Buddhist monk, but at this Tokyo bar the enlightenment is served in a martini glass.

Colloquially known as “piss alley,” this narrow street filled with tiny bars and barbecue stands looks like it was pulled straight out of “Blade Runner.”