Longtime headquarters of controversial boys' club for the world's wealthiest and most powerful.

The miraculous hydrant that saved the Mission District in 1906.

This residential door allows San Francisco muggles a glimpse at the wizarding world.

Since 1973, this block has been home to the most concentrated collection of murals in San Francisco.

A promotional sun clock on the site of San Francisco's great raceway.

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

The stones that traveled from Spain to eventually become a holy place for San Francisco's nature worshippers.

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

A hidden subterranean installation offers a view of the sky.

This private residence was the template for one of the most beloved television homes of all time.

San Franciscans leave gifts and messages for the magical beings that live behind the tiny, mysterious door installed on a tree in Golden Gate Park.

San Francisco's urban bison herd has persisted in the face of extinction, development, and disease.

In this century-old literary safehouse, print is alive and well.

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

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

The tea room that pushed the boundaries of adorable straight into...we can't find the words.

A nondescript building that's been functioning as a speakeasy for nearly a century and a half.

The seawater playground of gilded-era San Francisco burned to the ground in 1966.

Tiki luxury on Nob Hill.

A walk-in working camera obscura produces 360-degree live images of the San Francisco coast.

A pair of slides and a tree-lined stair corridor have been an urban oasis for nearly 40 years.

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

Carnivorous plants, medieval aphrodisiacs, and the largest original wood structure glass conservatory in the western hemisphere.

Get lost in this haunting fairytale art walk through a man-made eucalyptus grove.