One of Catholicism's four major basilicas has a series of papal portraits that are said to predict the end of the world.

This breathtaking monastery was established by Saint Benedict himself 1,500 years ago.

The Emperor Tiberius' palace of debauchery.

Built to repay the sins of the father, this church is home to one of the most valuable works of Western art.

A spiritual sanctuary in a natural cave.

A medieval fountain lined with 99 unique stone faces whose origins and meaning remain unknown.

Vast network of air raid tunnels beneath Lombardy's capital.

A cave in southern Italy adorned with thousand-year-old Biblical frescoes existed in obscurity until fairly recently.

The highest waterfall in Italy is only "turned on" five times a year.

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

Deceased nuns were placed on stone chairs to decompose, while the surviving nuns prayed near the lifeless bodies.

This precariously perched fortress was once ruled by a crow-worshipping baron.

Ham is serious business at the Prosciutto Museum-Serious, delicious business.

"The prettiest love letters in the world" ... or so said Lord Byron.

A stunning bridge that appears as if it's lunging to the shore, and has a legend of a devilish architect.

An extraordinary collection of 18th century anatomical waxworks.

The secret medieval communication system will whisk your words above the noise of the crowd.

The bomb-ravaged remains of of a colossal Neptune.

Eighteen mummies have stood guard behind the altar of this tiny church since 1833.

These medieval skyscrapers dominate the skyline of this small Tuscan town.

A modern sliver of architecture in Roma.

Venice's island of the dead.

The location of the last witch trials of Italy, known as "The Salem of Europe."

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