This giant shopping mall still holds signs of its automotive past.

The perfect spot for a picnic, right next to a giant ballistic missile.

The timepiece that exonerated a labor radical accused of a parade bombing that killed ten people.

An homage to the man who built California's version of Venice.

Working mining and drilling equipment demonstrate 150 years of energy history.

At 130 years old and 126 feet tall, it is the largest known example of the rare Torrey pine tree.

A pair of disused Los Angeles electrical poles now glow with delicate windows into the past.

Humboldt's human-powered sculptures race across land and sea for days on end in a wacky quest for dominance.

Decommissioned experimental solar facilities that pioneered solar energy technology.

The cobbled together compound of a deceased artist which now serves as a filming location.

An Airy Would-Be Solution to a Housing Shortage.

This lesser known Hearst estate is a fairytale village built from the stolen bones of historic European buildings.

The abandoned train depot now doubles as a well-placed rest stop for those who take the road less traveled.

Neoclassical Revival mansion and set of horror cult classic Phantasm.

The sun acts as a key that only fits this giant keyhole twice a year.

Where there's quartz, there must be gold. Thus is the story of the mines of Julian, and the titillating times of the Gold Rush.

This impressive tunnel was dug entirely by hand over the course of 36 years.

World's oldest operating science fiction and fantasy club, once home to Ray Bradbury and L. Ron Hubbard.

"Looks so real, it's scary!"

A psychedelic labyrinth on the San Francisco bay.

The neon signs from Las Vegas' past find their final resting place at this unusual graveyard.

The silent film master's legacy commemorated in all the right and wrong places.

The hotel room where Janis Joplin tragically died has now become a makeshift shrine to the singer.

The private clubhouse for the members of the Academy of Magical Arts.