This concrete ship has had four careers - World War I tanker, floating amusement park, fishing pier, and artificial reef.

In one Santa Monica parking lot a mushroom cloud made of chains heralds a message of peace.

The beautiful 1920 Pantages Theatre remains hidden just underneath the LA Downtown Jewelry Exchange.

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

A sign at the end of the Santa Monica Pier marks the traditional end of the legendary American highway.

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

Crumbling pink walls and murder memorials preserve the pioneer history of Joshua Tree.

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

There is no trying to fall in love with this Star Wars fountain, you just do or do not.

The old Niles Canyon Aqueduct in the San Francisco Bay Area is a bemusing and secret trail through nature for wayward travelers.

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

A carousel trades in its classic horses and calliope for endangered species, native flora and fauna, and a modern soundtrack.

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

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

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

The abandoned zoo enclosures offer a perfect place to experience the other side of the bars.

It should come as no surprise that the best view of the Hollywood sign is from Batman's lair.

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

One man's homage to the sun continues to grow like a glass fractal.

Shop selling 500 flavors of soda has something for everyone.

The legendary building that needed ghostly approval before being built.

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

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

A 140-year-old castle with underground caves hidden in San Francisco.