Where commuters walk through remnants of an ancient Greek necropolis.

Every day is like Christmas on this street where the traditional Neapolitan nativity scene comes to life.

This historic rec center in the heart of Israel is a bastion of peace and togetherness.

After over 100 years out of service this landmark windmill once again turns as a symbol of Jerusalem's self-sufficiency.

A sulfuric hellscape in southern Italy.

St. Mary's features one of the most spectacularly decorated cathedral interiors in all of Europe.

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

A mysterious ancient elephant said to possess magic powers is now the symbol of a Sicilian city.

A slightly creepy gallery of plaster cast models in the same museum as Michelangelo's David.

Secret refuge and museum of the Duke of Florence.

Over 50 exquisite hand-painted Renaissance maps decorate a Medici storage room.

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

Dug as a secret royal escape route, the tunnel became a wartime bomb shelter and dumping ground for vintage cars.

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

Italy's third-largest Roman arena gives a peek into the underground operations beneath the ancient spectacles.

A secret hatch containing two parchments was discovered in this statue over 40 years after its installation.

A tree that defies gravity grows in an ancient ruin.

Two stone columns flank the grand Venice square, but there were supposed to be three.

Da Vinci's equestrian statue, 500 years in the making.

Macabre symbols of death and mummies on display set the tone of this Italian purgatory church.

The small peaceful island off the Venice tourist circuit is where the city began more than 1,500 years ago.

Erotic art covers the walls of the largest ancient pleasure palace.

An underground paleo-Christian burial site composed of the remains of several cemeteries and Basilicas.

The world's most active stratovolcano is almost always erupting.