Ancient ruins hidden underneath a modern luxury hotel.

Geometry and mystery come together in an epic show of octagonal masonry.

Beautiful views and Roman-style statues on the Italian coast.

Roman-era ships unearthed...

A huge enchanting public park just outside the ancient walls of Rome.

A sulfuric hellscape in southern Italy.

Brass cobblestones mark the places where individual Holocaust victims were taken from their homes.

Europe’s oldest natural human mummy.

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

Rome's ancient Etruscan rival, now a park full of ruins.

Virgil's many-mouthed gateway to the underworld.

This picturesque Umbrian city has a subterranean side that has long remained hidden.

This private skyway is filled with art and was expanded explicitly so that Hitler could appreciate a river.

This beautiful park on the outskirts of Rome protects the ruins of two colossal ancient aqueducts.

Ruins of a 10th century church tucked away deep in a botanical garden.

This quaint Italian town keeps losing ground as the sides of its plateau slowly erode.

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

A submerged archeological park still holds the wonders of a Roman Sodom.

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.”

A restaurant modeled after feudal Japan, where the waitstaff are trained as ninjas.

Once a black market electronics marketplace, now an otaku shopper's paradise.

The quintessential Japanese rock garden has existed for more than 500 years.

A beautiful bamboo trail tucked in this famous Japanese Shrine.

This Buddhist temple is home to the graves of the Japanese national legends, the 47 Ronin.