A deserted hodgepodge of experimental structures designed by nearby university students.

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

The ruins of the castle that chemicals built.

The L.A. Zoo has a secret garden of rare bootleg cycads, a palm specimen dating back 280 million years.

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.

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

San Diego's most historic and haunted home.

An inconspicuous footbridge beloved by San Diego locals.

The "world's biggest dinosaur" once housed a creationist museum in its abdomen.

This Big Sur waterfall drops 80 feet directly into the Pacific Ocean, and inspired the hillside house up top.

These delicate buggers are some of the rarest fossils that have bubbled up from the Tar Pits.

World-famous, Pink's still manages to keep its prized cult fetish status.

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

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

The ghostly remains of an accidental sea.