A unique botanical garden housed in three giant geodesic domes.

What appears to be a wizard's lair in Milwaukee actually houses a massive water pipe.

A group of artists transformed this desolate city alleyway into an outdoor gallery of street art.

Where beautiful signs live on forever.

An unusual, super-sized grocery adventure awaits in an Ohio suburb.

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

The subtle science of a master molecular gastronomist.

A museum celebrating the self-taught artist-environment builder.

Spiral-bound community recipes and antiquarian gems mingle at this small East Village shop.

The largest Art Nouveau complex in the world is a Barcelona hospital with a 600-year-long history.

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

A giant owl named Rocco oversees mythical woodland creatures along these charming mountain trails.

A museum entirely dedicated to Bergamo’s tradition of puppetry.

Hidden in an Italian forest is a completely homemade amusement park that has taken a lifetime to create.

This colorful gate stands as an entrance to the walled city of Old San Juan.

The world's largest occupied bat houses hold hundreds of thousands of flying mammals.

Though illegal, city officials have made an exception for this work of art.

This church on a Tohono O'Odham reservation has stood since 1797.

This historic house museum that celebrates one of the world's most influential social reformers is also one of the most haunted locations in Chicago.

This bustling Italian plaza is built on the ruins of an ancient Roman amphitheater.

The naturally mummified body of a peasant girl saint.

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

Fortified medieval tower house with lovely roof garden.

Giant eggs, walls of bread, and nightmare surreality mark the largest collection of works by Salvador Dalí.