A man-made island in scenic San Francisco Bay.

Russian history in San Francisco.

A monument to the love people have for their pets.

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

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

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

A hidden subterranean installation offers a view of the sky.

The oldest burial ground in the city, final resting place of city founders, Ohlone natives and murderers alike.

This private residence was the template for one of the most beloved television homes of all time.

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

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

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

An essential stop before plundering, BYO Cutlass.

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

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

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

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

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

Its buzzing collection honors vibrator history.

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

A tiny theater hidden in an alley plays a constant stream of short silent films for anyone willing to peer through the peephole.

A winding path built in secret on the edge of the continent.

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

A psychedelic labyrinth on the San Francisco bay.