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

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

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

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

A pair of slides and a tree-lined stair corridor have been an urban oasis for nearly 40 years.

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

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

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

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

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

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

A psychedelic labyrinth on the San Francisco bay.

An artsy hidden staircase leads to breathtaking views of San Francisco.

The wild west is still alive and well at this authentic mining town watering hole.

Graffiti, cars, and religion combine to create this jungle of scrap in the Nevada desert.

The drama of nature in full effect in this Nevada State Park.

Brightly colored 30-foot-tall totems light up the desert sky just outside Las Vegas.

In the middle of an extremely unforgiving and desolate high desert is the most secret military facility in the world.

A collision of human error and natural geothermal pressure created this rainbow-colored geologic wonder.

Back in 1952, you could get a mushroom cloud chaser with your atomic cocktail.

Stepping away from the glitz of mobsters and casinos to learn about the other history of Vegas.