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

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

The miraculous hydrant that saved the Mission District in 1906.

This teeny-tiny park built by a San Francisco man in 1962 is mostly stairs.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

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

A modern mechanical planetary system, part of a 10,000 year clock.

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

Visible below the waves are memorials to the city's Gold Rush dead.

A psychedelic labyrinth on the San Francisco bay.

Where a demonstration led to equal rights for one of California's most marginalized communities.

Alleyway plaque commemorating the death of a fictional character in The Maltese Falcon, not far from the author's home.

This museum in San Francisco's Chinatown is one of the oldest and largest archives of Chinese American history and culture.

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

A speck of nature and art in one of San Francisco’s most notorious neighborhoods.

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

A mysterious painting of the self-declared Emperor of the United States watches over a local hof-brau.

San Francisco's oldest operating hotel, with a Victorian atmosphere and a "haunted" fourth floor.

One of the smallest parks in San Francisco honors the legacy of the "Mother of Civil Rights in California."

Half of a house.

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

Its buzzing collection honors vibrator history.

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

A collection of memorabilia from the Beat era in the back of a San Francisco bookstore.