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

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

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.

Hundreds of trees made from glass bottles make up this forest on Route 66.

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

The biggest pinball arcade in the world has over 600 pinball machines, and 300 arcade machines.

The remains of a ruined mansion memorialize the 1906 earthquake.

This naturally heated mountainous creek has created a group of neon blue pools of potentially deadly boiling water.

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

California's own medieval Italian castle, authentic down to the 300-year-old iron maiden in the dungeon.

The abandoned personal amusement park of the King of Pop.

San Francisco Bay's ghost town.

A 300-ship graveyard, with a few still visible at low tide.

A faux European lane smack dab in downtown L.A.

San Diego's most historic and haunted home.

In a city filled with Frank Gehry buildings, one stands out as one of the architect's weirder works.

One of the ghostly stops along Route 66.

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

Travelers exchange letters with woodland creatures at this mini post office.

A ghost town at the airport is now a refuge for blue butterflies.

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

The site of murders and Satanic cult gatherings.

This grand mansion has starred in everything from Bones to Buffy.

Exotic feline breeding compound and conservation center.