This medieval Italian village was transformed into an architectural marvel by the famous "Papessa" Donna Olimpia.

A 16th-century horror show built in a lovely Italian garden.

This war memorial commemorates some of the world's first paratroopers.

This fiberglass version of the Awakening sculpture by Seward Johnson, now resides in its third location in Italy, in Viterbo.

For two decades in the 13th century, the papacy operated from this palace in central Italy, which served as the site of the first—and longest—papal election conclave in history.

For centuries, this town's hot springs have been embraced by rich and poor—and even by Popes.

This immaculate and historic water garden culminates in a massive stone dining table with an inset fountain for chilling the wine of the Cardinal's guests.

Nicknamed “The Mushroom,” this unique water tower has been featured in several iconic movie scenes.

This unassuming bridge is most likely one of Michelangelo's unfinished masterworks.

This Italian stadium makes liberal use of fascist statuary to evoke classical sporting arenas.

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

A monumental fountain in Rome features a large statue of Moses that has been criticized for centuries.

This park on the outskirts of Rome boasts two ancient Roman aqueducts and a medieval tower.

Also known as the Square Colosseum, this building is a prime example of fascist-era rationalist architecture.

A detailed pachyderm supports Rome's smallest Egyptian obelisk.

The ruins of the largest gladiatorial school in Rome are largely hidden under modern streets.

This hydrochronometer was invented by a Dominican monk and is a prime feature in this garden.

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

A collection of objects supposedly singed by the hands of souls in purgatory.

This ritzy Italian market is built around a statue of an unforgiven heretic who was burned for his belief in an endless universe.

A fairy tale castle in modern Rome.

The engineering wonder and pleasure dome of a much-maligned emperor still holds undiscovered secrets.

This beautiful park on the outskirts of Rome protects the ruins of two colossal ancient aqueducts.

Architectural monsters are devouring this palace's every door and window.