The remains of this 2nd-century Roman temple are incorporated into a modern building.

This curious, round temple is the oldest still-standing marble building in Rome.

This ancient market is often referred to as the oldest shopping mall in the world.

Pivotal home of Nobel Prize winner Pablo Neruda.

This Argentinian hedge maze is an intricate tribute to a famous surrealist author.

A whimsical European-style chateau that calls the coast of Chile home.

This museum covers 10,000 years of Pre-Columbian Latin American history.

A large grotto built in the 16th century amidst Florence's famous Boboli gardens.

Next to the Leaning Tower of Pisa is a cemetery home to ancient sarcophagi and disturbing murals.

This bustling Italian plaza is built on the ruins of an ancient Roman amphitheater.

Fortified medieval tower house with lovely roof garden.

The city of Parma's cathedral is home to one of the greatest illusionistic frescoes of the Renaissance.

Dynastic Home of the De Piro Family.

A masterpiece of modern architecture that caused quite a stir in Paris, recreated in Bologna half a century later.

This Renaissance palace features a unique architectural design and is now home to the Ferrara National Art Gallery.

Numerous stone coffins from different centuries, lined up in a sixth century basilica.

Italian poet Dante Alighieri is entombed in this small mausoleum in Ravenna, and his hometown of Florence has never been too happy about it.

A medieval, mosaic-lined baptistry built by a heretical Christian sect.

This 6th-century church has the largest and best-preserved collection of Byzantine mosaics outside Constantinople.

An incredible mosaic-lined monument said to have held the remains of an ancient Roman empress.

This uniquely designed bridge served as the city gate for Comacchio.

Legend has it this fountain built to symbolize the Pope’s power hides a strange secret concerning Neptune's manliness.

Over 100 towers were built in Bologna during the Middle Ages, but only 22 survive.

A small window on Via Piella offers a lovely and rare peek at Bologna's lost canals.