The house in the middle of the motorway.

The first permanent memorial to a unique secret weapon of World War II.

This tucked-away cemetery is the final resting place of a prospector who uncovered one of the largest gold mines in Arizona.

Founded by members of the Tohono O’odham Nation, this one-room joint's James Beard–winning fry bread is light as a cloud.

The overgrown ruins of a once thriving World War I-era copper mine.

This small, unassuming street is now a canvas for color and creativity.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

A geological mystery on Camelback Mountain.

Version of the French Riviera destroyed by the sea.

Floating swimming pool within a moored vessel.

Berlin's old airport.

A unique Holocaust memorial tells the personal stories of the Jewish residents exiled from greater Berlin.

A tree-like building perches on its trunk in the Steglitz neighborhood of Berlin.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

Berlin's natural history museum houses the world's largest mounted dinosaur and the late beloved polar bear Knut.

An abandoned NSA listening post on Berlin's "Devil's Mountain."

Come for the pizza, stay for a performance on the world's largest theater pipe organ.

Once the product of an inexplicable gold strike, this ghost town is now home to one man and his love of classic machines.

Stairs often replace streets on the steep slopes of this old mining town.

A living snapshot of a different time in America is preserved and maintained by a community of volunteers.

In this small Phoenix taxidermy emporium, you can find everything from a squid in a jar to a freeze-dried toad.

A self-built castle made by a mysterious man.

The installation’s official name, “You Who Are Getting Obliterated in the Dancing Swarm of Fireflies,” says it all.

This striking public art installation is suspended above a public park, designed to gently move in the breeze.