A futuristic hovertrain is parked unceremoniously alongside a nondescript road.

This three-mile concrete levee in Pueblo, Colorado was transformed into the world’s longest painting.

Abandoned silver mine strewn with wrecked and twisted structures.

Essence of hound's tongue and tincture of bloodroot are just the tip of the herbalist iceberg at this beautiful, impressively-stocked apothecary.

This semi-secret garden in south Seattle emulates a traditional Japanese garden using the plants of the Pacific Northwest.

Collection of vintage trailers double as hotel rooms.

This chain of artificial lakes was an ideal test ground for the aircraft that would carry the "bouncing bombs" used by the WWII "Dambusters" squad.

An enormous illuminated figure dances on the Las Vegas strip.

Faceless white figures loom over the city from the rooftop.

A famous alternative culture epicenter and where Joplin serenaded young hippies.

The grand, column-fronted, sculpture-adorned home of the ambitious digital library.

A walk-in working camera obscura produces 360-degree live images of the San Francisco coast.

A 140-year-old castle with underground caves hidden in San Francisco.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

Experience a quartz crystal sound bath inside a storied, all-wood sound-chamber.

An outdoor sculpture park of giant pink robots and post-apocalyptic Christmas scenes.