These millipedes glow not out of attraction, but as a not-too-subtle warning.

This rare example of a "tidefall" is a spectacular drop from the cliffs down onto the beach.

A shrine to a skeleton saint in the city of angels.

San Francisco Bay's ghost town.

Exotic feline breeding compound and conservation center.

San Francisco's urban bison herd has persisted in the face of extinction, development, and disease.

A modern day curiosity cabinet.

One of the ghostly stops along Route 66.

An extraordinarily ornate museum in San Diego holds wondrous anthropological treasures.

The site of murders and Satanic cult gatherings.

This ultra-modern home clings to the slope of the Hollywood Hills on a precarious stilt.

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

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

San Diego's most historic and haunted home.

This massive redwood tree has a hole in the base big enough to drive through.

Standing in a state of "arrested decay," this ghost town allows for a detailed peek into Gold Rush life in an unusually harsh climate.

An eclectic trailer park retreat in the middle of the California desert.

The lowest point in North America is home to an undrinkable pool surrounded by fields of geometric salt flats.

Everyone remembers Laurie Strode from Halloween, but this is the house where most of the blood was shed.

Her final resting place was intended to be modest and private, but the power of her popularity continues to draw visitors.

This brightly made over hotel hides decades of suicide, serial killers, and mysterious deaths.

Costumed elves and mountain bikers co-exist peacefully at this abandoned Christmas-themed adventure park.

Nestled in the heart of San Francisco’s bustling Financial District stands a unique homage to the Mayan and Beaux Arts.

An inconspicuous footbridge beloved by San Diego locals.