San Francisco Bay's ghost town.

The old Niles Canyon Aqueduct in the San Francisco Bay Area is a bemusing and secret trail through nature for wayward travelers.

Neither Spanish settlers nor anyone since has been able to tell who built these strange California rock walls.

A rough granite monument marks the spot where Europeans first caught sight of the San Francisco Bay.

Abortion, prohibition, religion, war, and fear all play a part in the history of this idiosyncratic Pacifica castle.

The most beautiful Taco Bell in the world even has surfboard parking.

The graffiti-covered remnants of a former triangulation station are balanced precariously on this California peak.

Another of California's unused Cold War missile defense complexes has become a graffiti gallery.

The final resting place of the Emperor of the United States and Protector of Mexico.

A four paneled, brightly multicolored mosaic adorns the side of this popular grocery store.

Built in 1906, this unique building was the first Hindu temple in the United States.

A quiet marker in memory of local men and women lost in WWI.

Part mural and part sculpture, this work of art sits in the middle of the Promenade, as if swimming in a river of asphalt towards the ocean.

Thirteen trees representing the original thirteen colonies were planted with soil from historic Revolutionary battlefields.

A free, public museum dedicated to the fascinating science of sight.

This residential door allows San Francisco muggles a glimpse at the wizarding world.

A wall of chewing gum moonlights as collective art.

This former coal gasification plant found a curious second life as a popular public park.

A walk through the historic city center, under the streets of Seattle.

A museum dedicated to the history and exploration of both popular music and science fiction.

A giant Troll lurks under one of Seattle's oldest bridges.

A 100-year-old purveyor of curiosities, curios, and kitsch featuring mummies, shrunken heads, and a Fiji Mermaid.

A large instrument played by the wind.

The United States' first transcontinental automobile road came to its end at this spot in San Francisco's Lincoln Park.