San Francisco's oldest surviving monument and meeting place for 1906 survivors.

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

The giant pair of sexy legs sticking out the window of this costume store have become its main draw.

Life in this isolated, hilltop lighthouse was lonely, but it sure was lovely.

One of the ghostly stops along Route 66.

The largest drain hole in the world.

A storybook European village in Berkeley.

The ghost town that ended up on Ebay.

This private residence was the template for one of the most beloved television homes of all time.

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

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

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

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

Explore 10 acres of environmental sculptures.

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

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

Magical-looking cottages that inspired one of the most famous animated films ever.

The final resting place of a space program monolith, soon to be unveiled again to the public.

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

This glamorous old building is said to have inspired the Tower of Terror.

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

Beautiful Victorian buildings from L.A.'s forgotten architectural past.

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

Eons old volcanic activity created one of the most stunning rock formations in the United States.