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

These six walrus head statues harken back to a time when this area wasn't far from the oceanfront.

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

A century and a half of research in the sciences and natural history, still going strong.

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.

These WWII-era murals were initially booed as a libelous portrayal of the American dream but have survived multiple attempts to have them destroyed.

A classic advertising icon immortalized in regal bronze.

Shoot for par over the bodies of the dead on this cemetery-cum-golf course.

This Alamo Square mansion is rumored to have hosted satanic rituals and other occult practices.

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

The neighborhood church casts a breast-shaped shadow that locals have come to call the “two o’clock titty.”

The second building of its name to occupy this location might be the finest flatiron building in San Francisco.

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

A shining, cold, black organ lies in San Francisco's financial district.

Depicting scenes of everyday life - and specific individuals - in Great Depression era San Francisco.

Only hotel where you can legally launder money.

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

27-room home built with the fortune of a sugar magnate.

Over a century old, this restored Victorian building is surrounded by a lush garden filled with rare palms.

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

Created in 1972, the famous sculptor's intricately detailed monument to San Francisco is overflowing with city landmarks.

A miniature view of the park, caught in time.

Once the largest windmill outside of Holland, with enormous 114 foot sails.

Reverend Franzo Wayne King administers spiritual enlightenment through the music of the jazz legend.