A 12th-century Italian skirmish gets reenacted with 500,000 pounds of flying citrus.

A mythically themed self-built sculpture park.

This memorial commemorating fallen Swiss Guards of the French Revolution has been called the saddest stone in the world.

Sleep amongst an abundance of art from the modern era.

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

Resting in the middle of an Austrian river, this sci-fi "island" lets people cross in neon style.

Austria's ultra-modern art museum looks like Cthulhu's giant alien heart.

Filled with goldfish swimming in a shallow pool of sea water, this ancient crypt is more wishing well than burial site.

A unique form of erosion created an uncanny landscape of boulders perched atop slender columns of clay.

A spiral staircase twists to the top of this unusual Czech lookout tower.

Machismo turned on its head: the lady's hand goes to the dude with the bigger brain.

These spooky and unusual stone formations create an underworldly landscape.

One hundred years ago this small house in downtown Zürich became the birthplace of the Dada movement.

Vines grow up the metal bars in this public park created from an old machine factory.

Money made from smuggling sugar helped create this wondrous rock maze in honor of the Prussian Queen Louise.

Natural cathedral designed by Italian artist Giuliano Mauri.

A communal oasis on Lake Zurich.

The 953 windows undoubtedly make this the world's most beautiful screened porch.

Egyptian Revival movie palace abandoned for decades and restored in 2013.

An industrial relic is now one of Europe's most staggering art spaces.

A sprawling Baroque park with 300-year-old hydro-pneumatic waterworks.

The central mosque of this Mali town is entirely built from mud.

This hilltop warren of monastic dwellings is the result of centuries worth of Mongol attacks.

An immersive art experience built by local arts collaborative, Factory Obscura, in the building formerly known as The Womb, a psychedelic arts center founded by the frontman of the Flaming Lips.