A crumbling Beaux Arts monument to the Bay Area's age of rail.

The first mural ever dedicated to the women of the Black Panther Party.

An art collective teaching the more fiery, metal-y art forms.

Dive bar built out of the remains of a whaling ship.

An abandoned convention space that has been left to the homeless and the radical.

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

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

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

Faceless white figures loom over the city from the rooftop.

The oldest dim sum restaurant in the United States is a nostalgic jewel.

Noble beasts perhaps, but not the Emperor's dogs.

Gold Rush ship-turned-hotel buried underneath San Francisco's financial district.

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

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

Today's aerospace industry can be traced back to one man and his gliders.

One of the oldest adobe structures in Northern California.

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

One of Antoni Gaudí’s earliest buildings, built between 1886 and 1890 for the industrialist Eusebi Güell.

This California museum is home to one of the largest collections related to the 'Treasure Island' author.

A psychedelic labyrinth on the San Francisco bay.

A free, public museum dedicated to the fascinating science of sight.

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

The only visible piece of San Francisco's most famous shipwreck.

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