Giant Redwood-themed cafeteria operates under the golden rule, "Dine Free Unless Delighted."

A hand-built folk art installation covered with messages of God's love.

The rocks in this arid basin leave trails of movement behind them.

This weird abode has inspired everything from the "House On Haunted Hil" to a robot hunter's pad.

The only theatre in the world constructed specifically for sound movement.

A one-of-a-kind collection of a unique medium.

Shop selling 500 flavors of soda has something for everyone.

Venue for strange sideshow displays and musical acts.

Hidden in the hills of Hollywood, this secluded Oz-themed garden is dotted with dozens of thrones.

Get lost in this haunting fairytale art walk through a man-made eucalyptus grove.

A trash dump made beautiful by nature's power.

A tiny theater hidden in an alley plays a constant stream of short silent films for anyone willing to peer through the peephole.

America's most famous piece of self-built architecture.

Bring your own cardboard to the slippery slopes of concrete hidden in a neighborhood park.

Remants of foundations, streets, and streetcar tracks inhabit the cliffs where a landslide occurred in 1929.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

Non-profit time travel mart sells goods you would need for a trip through the fourth dimension.

During prohibition, corrupt city officials ran drinking dens under the streets of Downtown Los Angeles.

World's largest collection of serial killer artwork and other macabre exhibits.

A psychedelic labyrinth on the San Francisco bay.

An artsy hidden staircase leads to breathtaking views of San Francisco.

This stately structure has been abandoned for half a century.

This dark, quiet forest on the outskirts of San Diego is dense with rumor and lore.