Trick water gardens from 1619 featuring a 200 piece mechanical theater powered by water.

Originally envisioned by King Ludwig II to rival Versailles, Herrenchiemsee's "New Palace" remains half-gilded for lack of funds.

This domed temple was built in a hidden cave mouth as a refuge for sinners seeking absolution.

Five candy-colored villages on the Italian Riviera.

Perched above a grotto, this tribute to Mother Nature looks out into the ocean.

An old mining site that is slowly being reclaimed by nature.

Take a giant yellow bird cage to the top of Elba's highest mountain.

On rare days, this abandoned castle's gatekeepers open its doors, revealing the eye-popping splendor hidden inside.

A 14th-century abbey founded by a forest-loving order of monks now sits in the center of a pristine nature preserve.

Destroyed numerous times, this centuries-old bridge has always been rebuilt with its original design.

This medieval castle was home to a known tyrant and features several hidden passages.

Once an ancient Roman bath, now a hotbed of geothermal energy and a hub for energetic innovations.

Geothermal waterfalls in Tuscany.

This network of roads is one of the most unique Etruscan creations ever discovered.

This enchanting 600-year-old tree is so magical it inspired the beloved tale of Pinocchio.

Walk through a fairytale in Tuscany.

The towering Pinocchio stands 63 feet tall in the Italian village his creator frequented as a child.

This Italian foot path winds through the mountains via 52 individual tunnels.

This Roman monument is surrounded by more recent construction, offering a stark contrast between ancient architecture and the modern urban landscape.

The Adriatic's most famous wind can be reliably experienced in the city's Marina.

This military mausoleum captures the solemn grandeur that most memorials only aspire to.

These delicate sand pyramids look like naturally occurring gothic spires.

This massive subterranean fissure is known as the "underground Grand Canyon."

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