A famous alternative culture epicenter and where Joplin serenaded young hippies.

Inside an old airplane hangar, friends and strangers alike play on a massive trampoline.

A monument to the love people have for their pets.

This turn of the century masterpiece has a mysterious goaty interloper.

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

This print shop boasts one of the largest pinball arcades in San Francisco.

The giant pair of sexy legs sticking out the window of this costume store have become its main draw.

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

Golden Gate Park's historic collection of plants.

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

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

San Francisco's urban bison herd has persisted in the face of extinction, development, and disease.

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

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

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

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

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

Tiki luxury on Nob Hill.

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

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

Get lost in this haunting fairytale art walk through a man-made eucalyptus grove.

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

A psychedelic labyrinth on the San Francisco bay.

A huge musical instrument played by the ocean.