If you are looking for a used Russian battery, Chinese Ham Radio or other electronic oddities this Flea Market is a good place to start.

An Aladdin's cave of old Silicon Valley tech.

One of the largest free-standing structures ever built, this dirigible hangar is now simply a giant skeleton.

Gander at model satellites and telescopes in this scientific lobby.

This odd California folly seems like it was almost designed to accumulate urban legends.

Rodin's famous depiction of Dante's 'Inferno', amidst a sculpture garden of many of his other works.

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.

A large instrument played by the wind.

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

This shop specializes in oddities and Victorian-inspired wonders.

Floating man-made island and upscale restaurant.

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

An invitation-only museum of items natural and bizarre, arcane and exotic.

Furniture tries to escape an abandoned building in San Francisco.

A hidden gem, named after a San Franciscan icon, offers spectacular views of the Pacific Ocean.

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

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.

The oldest alley in San Francisco is paved with a reminder of the city's original shoreline.

A tribute to the artist and activist who created the rainbow pride flag.

Beneath the southern end of the Golden Gate Bridge is the “Gibraltar of the West Coast,” a fort built to protect the San Francisco Bay from naval attack.

A modern frieze of ancient Grecian mythological figures playing a national pastime.

This painted marvel is San Francisco's 400-foot ode to urban biking.

One time home to turn of the century explosives, now hidden under the Bay Bridge.