Skulls from the plague of 1656 and World War II bombings are united by a cult dedicated to caring for the ancient dead.

The Neapolitan Cult of the Dead still cares for the skulls at this mini-Fontanelle.

The remains of the left arm of the levitating philosopher-saint are kept in a 13th-century Neapolitan basilica.

San Gennaro, the patron saint of Naples, greets pedestrians between these narrow city streets.

The Bourbon royal family had this unique octagonal hunting "cottage" built on a tiny islet in Lake Fusaro.

A tree that defies gravity grows in an ancient ruin.

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

Virgil's many-mouthed gateway to the underworld.

Smack-dab in Campania’s volcanic fields, this scenic lake was once thought to be the gate of hell.

Italy's "New Mountain" rose from the ground in a volcanic eruption in 1538.

A sulfuric hellscape in southern Italy.

Suffocating dogs was a common spectacle in the fumes of this noxious cave.

This magical-looking island is notorious for the misfortunes suffered by its owners.

The world's largest frame offers spectacular views of the city's past and present.

On any given day this sprawling market houses literally tons of government-regulated gold, gems, and precious metals.

This futuristic building is yet another architectural wonder in Dubai.

This indoor ski resort has a mountain contained inside a mall.

A preposterously luxurious hotel with gold-plated iPads, Rolls Royce chauffeurs, and a staff that trains by watching "Downton Abbey."

A unique configuration of blown glass can be found inside this hotel lobby.

A faithful reproduction of Al-Jazari's enormous water clock.

These otherworldly formations were shaped over millions of years by the forces of nature.

This massive piece of artwork weighs more than 250 tons, and was designed as a tribute to the first president of the United Arab Emirates.

Feed it cash, get your very own gold bar.

No building in the world leans as far as the so-called “Leaning Tower of Abu Dhabi.”