An abandoned 17th-century baroque hunting lodge with a wonderfully strange architectural plan.

This ancient walled garden turns fog into food.

A local student's chance encounter with Keith Haring led to the creation of one of Europe's largest murals.

Rome's first modern graffito is all that is left of a peaceful protest from the 1970s.

An unusual house built using an iso-elastic membrane.

This 21st century cabinet of curiosities includes dinosaur bones, moon rocks, film memorabilia, and more.

An abandoned quarry hides an open-air gallery of huge sculptures, some made from the rubble of 9/11.

The world's first underwater farm is home to more than 700 plants.

This serene, turquoise lake in an extraordinary nature reserve showcases a rare natural phenomenon.

Gorgeous views of Italian mountains and valleys form the backdrop of this unique open-air theater.

A narrow opening between the mountains of the Amalfi Coast creates a scenic hidden beach.

An exclusive waiting room built for the royal family in the 1920s is hidden in Milan’s central station.

Explore the quarry where the marble was sourced for Michaelangelo's David.

The world's largest bamboo labyrinth is a living demonstration of the plant’s immense potential.

A lavish 16th-century mansion filled with spectacular staircases, fantastic frescoes, and gorgeous gardens.

Artist Diego Morlin's war between the natural and human worlds is a wanderer's delight.

The first botanical garden, a feather in the cap of the Grand Duke of Tuscany.

An eccentric artist's abode in this small Italian town has been transformed into a surreal temple of mosaic madness.

The abandoned ruins of a failed resort hide on this verdant, picture-perfect island.

Crumbling ruins of the thermal baths that once attracted royals and aristocrats from throughout Europe.

An open-air museum in a mountain valley features works designed to blend in with—and disintegrate back into—their natural surroundings.

A madman's personal garden filled with 1,000 sculpted heads.

The first Russian Orthodox church in the Catholic city of Rome in almost a thousand years.

A fairytale-like medieval church perched atop a rocky cliff on Italy's "Coast of the Gods."