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.

Pilgrimage site for star-crossed lovers.

Crushed coral and crystals give the sand its signature coloration.

This giant middle finger statue sends an unambiguous message to Italy's bankers.

Go inside to really appreciate this 500-year-old technological masterpiece.

This centuries-old Italian chapel hangs midway down a sheer cliffside.

This 16th-century monastery has been turned into a surrealist architecture compound.

A labyrinth of ancient tunnels hidden below the city holds the ruins of 2,500 years of history.

This quaint Italian town keeps losing ground as the sides of its plateau slowly erode.

The glowing blue Nymphaeum of Emperor Tiberius.

Sitting on an Italian hilltop is this surreal fortress built by the mad inventor of electrohomeopathy.

The oldest operating pharmacy in the world features 800-year-old recipes.

Stalactites and stalagmites in a beautifully lit cave.

The doodles of a genius line the walls of a secret room under the Medici Chapel, where they were hidden for nearly 500 years.

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

A colossal aqueduct from the second century B.C., deeply hidden in a gorge on the outskirts of Rome.

An 18th century fountain and two columns are all that remains of Rome's forgotten river harbor.

This small, ancient Roman temple was once a church dedicated to the patron saint of penitents.

This gallery commissioned by Cardinal Spada is known for its magnificent optical illusion.

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.

The spot where the fascist dictator made some of his most famous speeches including declaring war on Britain and France.

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

The final resting place of the poets Shelley and Keats.