A vast city of the dead, where the deceased outnumber the living by more than a million.

One of the best absinthe distilleries in the United States.

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

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

The one-time watch house for incoming ships at the Golden Gate now stands abandoned and hidden in trees.

Radioactivity still cause for concern at this urban explorer's paradise.

Amazing meticulous gardens of personal wood carvings, Hydrangea, Canna, and many other flowers.

A 140-year-old castle with underground caves hidden in San Francisco.

Condemned US Navy seaplane control tower turned officers’ club sits atop Yerba Buena Island.

A monument to the love people have for their pets.

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

Floating man-made island and upscale restaurant.

The restored and active Victorian-era final resting place of San Francisco.

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

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

San Francisco’s century-old Christmas Tree.

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

A brooding mansion of clinker brick stands out among the Victorian houses of Pacific Heights.

A museum befitting the city responsible for supplying the majority of the world's LSD.

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

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