This mysterious series of teeny guerrilla installations sheds a whimsical light on street art in Oakland.

A creepy steel gremlin has protected the Bay Bridge since 1989.

Julia Morgan's Moorish-Gothic labyrinth of fountains, trees, natural light and Oakland's notable dead.

Two pillars set 10 paces apart commemorate the "last notable American duel."

A large instrument played by the wind.

Housed in a memorial lighthouse, this museum relays the history of surfing, beginning with the antics of royal Hawaiian teenagers.

A strange house built only at night, with rumored mystic inspiration.

This eatery transports diners to a place that no longer exists: East Germany.

Floating man-made island and upscale restaurant.

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

Furniture tries to escape an abandoned building in San Francisco.

This contorting sculpture is the tallest in San Francisco.

This sailor's boneyard was lost under a parking lot for decades before being rediscovered.

This tall and trim architectural oddity is one of the skinniest buildings in San Francisco.

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

The original place where water met land in the City by the Bay is outlined in brass.

One of the last remnants of the city's Chinese nightclub scene is now a dive bar selling killer mai tais.

At the base of the Golden Gate Bridge, a small sign basically begs for a high-five.

This grinning pup statue is all that's left of what was once a ubiquitous Bay Area diner chain.

A playing field for a popular French past time can be found tucked away in a quiet corner of Golden Gate Park.

Prone to disastrous fires, the city of San Francisco has the Guardian, a fireboat gifted by residents, to watch over them from the bay.

Once the fastest ship from San Francisco to Tahiti, the Galilee now lays in pieces in three different cities.

Chevron maintains one “Standard” brand station per state so it doesn’t lose the trademark.

A monumental cross hides in the trees in Golden Gate Park.