Big gun installations, built over a massive cemetery, now abandoned & hidden in trees.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

A monument to the love people have for their pets.

A favorite haunt of dinosaur loving children and hallucinogen loving hippies alike.

A huge musical instrument played by the ocean.

A psychedelic labyrinth on the San Francisco bay.

There is no trying to fall in love with this Star Wars fountain, you just do or do not.

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

San Francisco's newly reopened hands-on science museum.

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

This shop specializes in oddities and Victorian-inspired wonders.

Staircase winds down the side of Telegraph Hill through gardens, wild parrots flying overhead.

A whimsical antique shop with a strong air of mystery, filled with items from ages, and what feels like worlds, past.

Gold Rush-era tombstones line the park's paths.

An essential stop before plundering, BYO Cutlass.

This shop and studio is dedicated to the art of the book, from letterpress to bookbinding.

An invitation-only museum of items natural and bizarre, arcane and exotic.

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

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

Furniture tries to escape an abandoned building in San Francisco.