A cemetery and the town it served sinks beneath the sea during the volcanic birth of Mt. Vulcan.

A once great mansion stands in stately ruin.

An eatery in a shallow river where diners can enjoy their meal mere feet from the base of an artificial waterfall.

Five miles of underground river link lake to ocean.

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

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

Olfactory delights in San Francisco's Botanical Gardens.

A magically clear, blue river that seems to spring from nowhere.

Under the right circumstances, this waterfall in Yosemite briefly turns a luminescent fiery orange.

One of the world's largest collections of rare and magnificent bird specimens.

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

Handmade treasures from around the world.

A hidden subterranean installation offers a view of the sky.

Spiral labyrinth hidden in the hills above Oakland, CA.

Julia Morgan's Moorish-Gothic labyrinth of fountains, trees, natural light and Oakland's notable dead.

An unreal vintage shop that wears its dadaist influence on its zombie fish.

An urban laboratory.

Delightful disarray of found objects and clutter.

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

This secluded aqua waterfall in the Grand Canyon is the perfect swimming hole, and the Havasupai tribe's fiercely protected natural wonder.

San Francisco Bay's ghost town.

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

Canyon walls shrouded in ferns.

Outsider Art Community.