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

A piece of the iconic wall found an unlikely new home in a Vegas bathroom.

Las Vegas's very own 40-foot-tall fire-spewing praying mantis.

This former lieutenant governor's home is brimming with curiosities.

A pair of pure white felines guard the entrance to a spot of California real estate established as an artist's haven.

This controversial depiction of the "Founder of California" looks as though it was sculpted from mashed potatoes.

Abandoned Air Force base that has fallen into disrepair.

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

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

Abortion, prohibition, religion, war, and fear all play a part in the history of this idiosyncratic Pacifica castle.

The graffiti-covered remnants of a former triangulation station are balanced precariously on this California peak.

Another of California's unused Cold War missile defense complexes has become a graffiti gallery.

Elephant seals and sea lions have turned the abandoned buildings on this island into their endangered love shack.

An archive of nearly every day of Buckminster Fuller's life.

This odd California folly seems like it was almost designed to accumulate urban legends.

Neither Spanish settlers nor anyone since has been able to tell who built these strange California rock walls.

A plaque outside the San Jose airport commemorates the insect's arrival to the West Coast.

The headquarters of a secretive order is also a beautifully-designed park.

One of the largest free-standing structures ever built, this dirigible hangar is now simply a giant skeleton.

The "Fun Spot of the Desert" is now a haunting ruin, and a reminder that putting a water park in a desert is a bad idea.

The one-time watch house for incoming ships at the Golden Gate now stands abandoned and hidden in trees.

San Francisco Bay's ghost town.

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

A ruined hotel with an unlucky history and an eerie present.