Handmade treasures from around the world.

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

One time home to turn of the century explosives, now hidden under the Bay Bridge.

Bring your own cardboard to the slippery slopes of concrete hidden in a neighborhood park.

Tenacious mummies survived dental problems, eternal entombment, and more than their fair share of devastating fires.

Furniture tries to escape an abandoned building in San Francisco.

Prone to disastrous fires, the city of San Francisco has the Guardian, a fireboat gifted by residents, to watch over them from the bay.

A shop full of natural curiosities, carnivorous plants, and costumed taxidermied mice.

Collective dedicated to restoring steam engines.

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

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.

This odd little museum holds exhibits on everything from blacksmith equipment to hair jewelry.

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

Abortion, prohibition, religion, war, and fear all play a part in the history of this idiosyncratic Pacifica castle.

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

Playable, historic pinball machines fill this Alameda museum.

A rough granite monument marks the spot where Europeans first caught sight of the San Francisco Bay.

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

Another of California's unused Cold War missile defense complexes has become a graffiti gallery.

An ominous concrete cube cuts a dystopian silhouette atop this California mountain.

The rest of him lived another 61 years and was buried elsewhere.

The longest burning light bulb in the world.

The largest permanent Monopoly board makes one of the longest games even bigger.