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

A pair of slides and a tree-lined stair corridor have been an urban oasis for nearly 40 years.

Towering basalt columns, a creation of fire and ice.

Its buzzing collection honors vibrator history.

There is no trying to fall in love with this Star Wars fountain, you just do or do not.

The rocks in this arid basin leave trails of movement behind them.

A trash dump made beautiful by nature's power.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

This nature center has one of the largest collections of native raptors in the Pacific Northwest.

The seamy, underground secrets of Portland's criminal past.

This metallic stampede sits frozen on a Washington ridge yet the artist's vision is still incomplete.

Leave a button on the jacket of this iconic Seattle clown.

A little piece of the Shire is hidden behind a plant nursery in Port Orchard, Washington.

A surreal landscape where fanged rocks rise from the ground and the ocean feels like a great mystery.

A giant sculpture dedicated to a staple of South Bend food culture.

Portlandia is the second-largest copper repoussé statue in the United States.

A prehistoric rock shelter that's literally in someone's backyard.

In the middle of a suburban Denver neighborhood is a cave that once provided solace for a prominent Ute chief and his family.

This iconic science fiction house still looks like something from the future.

Furniture tries to escape an abandoned building in San Francisco.

A rococo retro-futurist future-rustic vernacular between yesterday’s tomorrow and the future that never was.

Art from the latest counter-culture; kids who dye their hair blue and believe the future will be a post-apocalyptic water world.

This concrete tangle of square pipes has stood as a proud thorn in the city's side since the '70s.

A 300-ship graveyard, with a few still visible at low tide.