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

This 19th-century church is now a popular roller rink.

Early prototype for Frank Lloyd Wright's Guggenheim.

A walk down memory lane in the heart of one of San Francisco's most notorious neighborhoods.

A library built during San Francisco's pioneer times is a student's retreat, bibliophile's sanctuary, and chess player's delight.

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

A pair of mutilated bronze octopuses slump at the base of the monument honoring California's admission to the U.S.

San Francisco's oldest surviving monument and meeting place for 1906 survivors.

This giant head is all that remains of a once proud statue that survived an earthquake but not a fall off of a wagon.

A former hardware store near Yerba Buena is the official home of California's history.

Odd stone and concrete monuments in the "Poet of the Sierras" eclectic folly garden.

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

This contorting sculpture is the tallest in San Francisco.

A classic advertising icon immortalized in regal bronze.

A still functioning vaudeville carousel that has operated for over a century boasts a colorful menagerie and past.

Furniture tries to escape an abandoned building in San Francisco.

Tenacious mummies survived dental problems, eternal entombment, and more than their fair share of devastating fires.

Appropriation-friendly collection of books, periodicals, and more.

The oldest burial ground in the city, final resting place of city founders, Ohlone natives and murderers alike.

A massive ultra-modern church presents a science-fiction view of Catholicism's inclusive future.

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

Bonsai garden in Oakland is curated by the first non-Japanese female bonsai master in the United States.

The Flatiron Building's storied West Coast cousin is a lot more into religion.

A restored 1920s cascade stairway provides one of the best views of Oakland's Lake Merritt.