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

A collection of 20th-century automata, penny arcade games, and musical contraptions.

From the Difference Engine to the Cray-1, all under one roof.

Not merely a museum – but a whirring powerhouse that offers a subterranean peek into the heart and soul of cable car operations.

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

This contorting sculpture is the tallest in San Francisco.

This antique shop specializes in the history of print and design.

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

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

Home of modern dancer famously strangled by her own scarf.

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

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

Only hotel where you can legally launder money.

The largest whiskey stash on the West Coast survived the 1906 fires--but not without heroic effort.

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

The first AIDS memorial chapel in San Francisco and one of only a few in the U.S.

Faceless white figures loom over the city from the rooftop.

An art supply shop holds the secrets of this quiet neighborhood's raucous Barbary Coast past.

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

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

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

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

Nestled in the heart of San Francisco’s bustling Financial District stands a unique homage to the Mayan and Beaux Arts.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.