A multi-storied adobe complex has been inhabited for more than a thousand years.

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

Life in this isolated, hilltop lighthouse was lonely, but it sure was lovely.

San Francisco Bay's ghost town.

A storybook European village in Berkeley.

Abandoned bridge hidden deep in the San Gabriel Mountains.

Established in the '60s, a family-owned tropical drink bar founded by Ray Buhen, bartender to the stars.

A hospital closed seemingly in the middle of operations, leaving behind fodder for horror films and ghost hunters.

Giant Redwood-themed cafeteria operates under the golden rule, "Dine Free Unless Delighted."

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

Resting place of Hollywood's immortals is also site of summer film screenings.

The unusual burial monument of Arizona's first governor.

An homage to everyone's favorite prehistoric cartoon family.

On the side of a remote mountain, a stone face bearing an inscription of mysterious origin.

Natural sonic phenomenon comes with a grisly legend of murder and blood.

A cave's rare beauty held a cavernous secret hidden underground.

A breathtaking 19th-century trail overlooks Lake Tahoe.

Its founder calls it a "proletariat art renaissance".

The contents of this safe survived a 37-kiloton nuclear bomb.

Mine your own precious stones.

A blacklight mini-golf fever dream pays tribute to the iconic rock band.

One of the world's tallest Ferris wheels takes visitors high above Las Vegas in a spinning party room.