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

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

The so-called "Statue of Liberty of Los Angeles" is on a one mutant mission to keep L.A. weird.

Finale of "William Tell Overture" can be heard as drivers pass over grooves in the road.

This traditional garden in the San Fernando Valley doubled for Star Fleet Academy, and is irrigated entirely by wastewater.

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.

With the touch of a button, you can read a randomly selected short story.

Experience a quartz crystal sound bath inside a storied, all-wood sound-chamber.

San Franciscans leave gifts and messages for the magical beings that live behind the tiny, mysterious door installed on a tree in Golden Gate Park.

The remains of a ruined mansion memorialize the 1906 earthquake.

The largest permanent Monopoly board makes one of the longest games even bigger.

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

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

This abandoned Navy base was transformed into an off-grid alternative living community for thousands of people.

Explore 10 acres of environmental sculptures.

Big gun installations, built over a massive cemetery, now abandoned & hidden in trees.

The final resting place of a space program monolith.

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

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

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

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

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

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

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