A Mysterious Masonic tomb in San Luis Obispo.

An eccentric folk art landmark made out of discarded bottles by an inspired "grandma."

An abandoned, unfinished mansion on grounds strewn with lava rocks.

A promotional sun clock on the site of San Francisco's great raceway.

The interior of the Overlook Hotel in "The Shining" was based on this Yosemite original.

The rusting remains of the largest assembled WWII fleet on the West Coast.

Two rocks in a perpetual kiss and one of "the most romantic spot in America."

Where the line between entertainment and aerospace blurs.

A library and museum dedicated to typography.

Arcadia is home to a haven for nature geeks and 80s TV lovers alike.

The randomness of this wall of lava lamps helps encrypt up to 10 percent of the internet.

Each year these high desert hills are absolutely covered with poppy flowers in a surreal show of nature.

Its buzzing collection honors vibrator history.

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

Crypt mausoleum in cathedral's basement contains relics of third century Roman martyr, Saint Vibiana.

This strange seaside tower got its name from a wealthy eccentric who would hide coins among its stones.

A hotel and restaurant serving as the mecca of kitsch.

A strange house built only at night, with rumored mystic inspiration.

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

The only theatre in the world constructed specifically for sound movement.

The old Niles Canyon Aqueduct in the San Francisco Bay Area is a bemusing and secret trail through nature for wayward travelers.

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

A psychedelic labyrinth on the San Francisco bay.

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