This grisly effigy displays an early Christian martyr who was skinned alive and beheaded.

Two very green residential towers cleaning the air in one of Europe's most polluted cities.

Small on the outside, big on the inside, this church is an astonishing act of visual deception.

Nestled in the heart of Milan is a real wunderkammer of morbid curiosities.

This elaborate hole in the ground was built as a sacred site for an ancient civilization.

An Italian ghost town that fought obscurity, until a mysterious illness brought it to its knees.

Geothermal waterfalls in Tuscany.

The ruins of this medieval tower are destined to crumble into the sea.

The forbidden island of the Tuscan Archipelago may still contain buried treasure.

This one-of-a-kind archeological site is home to strange prehistoric ruins, the original use of which is still a mystery.

A home designed to be on the cutting edge of comfortable, low-cost living.

This mosaic-lined medieval church was built by the world's first admiral and still holds mass in ancient Greek.

Teeming with illegal goods and services, this towering maze of vice is also a popular tourist accommodation.

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

Things seem to roll, flow and run uphill on this short patch of road near Ariccia, Italy.

A map of Italy made entirely of trees.

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

In a city that boasts four separate inclined cable railways, this is one of the busiest funicular lines in the world.

These "anatomical machines" are only one of the many strange items in this Italian crypt.

This bridge was constructed from the rubble of the infamous Bastille.

Twelve grave-faced marble angels guard the emperor's tomb at Les Invalides.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

France's most famous cemetery, with some of its most curious tombs.

Massive galleon from a box-office bomb docked in Genoa.